First attempt at auto-doc for altair API

Altair_DocGen.ipynb

AltairAPI.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Altair API Documentation\n",
    "\n",
    "*This is auto-generated from [Altair_DocGen.ipynb](Altair_DocGen.ipynb)*"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Top-Level Objects"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Chart\n",
    "\n",
    "*Chart*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **config**| *[Config](#Config)* | -- |\n",
    "| **description**| *a unicode string* | -- |\n",
    "| **encoding**| *[Encoding](#Encoding)* | -- |\n",
    "| **mark**| *a unicode string* |  One of ['area', 'bar', 'line', 'point', 'text', 'tick', 'rule', 'circle', 'square']. |\n",
    "| **name**| *a unicode string* | -- |\n",
    "| **transform**| *[Transform](#Transform)* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### FacetedChart\n",
    "\n",
    "*FacetedChart*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **config**| *[Config](#Config)* | -- |\n",
    "| **description**| *a unicode string* | -- |\n",
    "| **facet**| *[Facet](#Facet)* | -- |\n",
    "| **name**| *a unicode string* | -- |\n",
    "| **spec**| *any value or any value* | -- |\n",
    "| **transform**| *[Transform](#Transform)* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### LayeredChart\n",
    "\n",
    "*LayeredChart*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **config**| *[Config](#Config)* | -- |\n",
    "| **description**| *a unicode string* | -- |\n",
    "| **layers**| *a list or None* | -- |\n",
    "| **name**| *a unicode string* | -- |\n",
    "| **transform**| *[Transform](#Transform)* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Other Objects"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Axis\n",
    "\n",
    "*Wrapper for Vega-Lite Axis definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **axisColor**| *a unicode string* | Color of axis line. |\n",
    "| **axisWidth**| *a float* | Width of the axis line. |\n",
    "| **characterWidth**| *a float* | Character width for automatically determining title max length. |\n",
    "| **format**| *a unicode string* | The formatting pattern for axis labels. |\n",
    "| **grid**| *a boolean* | A flag indicate if gridlines should be created in addition to ticks. |\n",
    "| **gridColor**| *a unicode string* | Color of gridlines. |\n",
    "| **gridDash**| *a list or None* | The offset (in pixels) into which to begin drawing with the grid dash array. |\n",
    "| **gridOpacity**| *a float* | The stroke opacity of grid (value between [0,1]). |\n",
    "| **gridWidth**| *a float* | The grid width, in pixels. |\n",
    "| **labelAlign**| *a unicode string* | Text alignment for the Label. |\n",
    "| **labelAngle**| *a float* | The rotation angle of the axis labels. |\n",
    "| **labelBaseline**| *a unicode string* | Text baseline for the label. |\n",
    "| **labelMaxLength**| *a float* | Truncate labels that are too long. |\n",
    "| **labels**| *a boolean* | Enable or disable labels. |\n",
    "| **layer**| *a unicode string* | A string indicating if the axis (and any gridlines) should be placed above or below the data marks. |\n",
    "| **offset**| *a float* | The offset, in pixels, by which to displace the axis from the edge of the enclosing group or data rectangle. |\n",
    "| **orient**| *a unicode string* | The orientation of the axis. One of ['top', 'right', 'left', 'bottom']. |\n",
    "| **properties**| *any value* | Optional mark property definitions for custom axis styling. |\n",
    "| **shortTimeLabels**| *a boolean* | Whether month and day names should be abbreviated. |\n",
    "| **subdivide**| *a float* | If provided, sets the number of minor ticks between major ticks (the value 9 results in decimal subdivision). |\n",
    "| **tickColor**| *a unicode string* | The color of the axis's tick. |\n",
    "| **tickLabelColor**| *a unicode string* | The color of the tick label, can be in hex color code or regular color name. |\n",
    "| **tickLabelFont**| *a unicode string* | The font of the tick label. |\n",
    "| **tickLabelFontSize**| *a float* | The font size of label, in pixels. |\n",
    "| **tickPadding**| *a float* | The padding, in pixels, between ticks and text labels. |\n",
    "| **tickSize**| *a float* | The size, in pixels, of major, minor and end ticks. |\n",
    "| **tickSizeEnd**| *a float* | The size, in pixels, of end ticks. |\n",
    "| **tickSizeMajor**| *a float* | The size, in pixels, of major ticks. |\n",
    "| **tickSizeMinor**| *a float* | The size, in pixels, of minor ticks. |\n",
    "| **tickWidth**| *a float* | The width, in pixels, of ticks. |\n",
    "| **ticks**| *a float* | A desired number of ticks, for axes visualizing quantitative scales. |\n",
    "| **title**| *a unicode string* | A title for the axis. |\n",
    "| **titleColor**| *a unicode string* | Color of the title, can be in hex color code or regular color name. |\n",
    "| **titleFont**| *a unicode string* | Font of the title. |\n",
    "| **titleFontSize**| *a float* | Size of the title. |\n",
    "| **titleFontWeight**| *a unicode string* | Weight of the title. |\n",
    "| **titleMaxLength**| *a float* | Max length for axis title if the title is automatically generated from the field's description. |\n",
    "| **titleOffset**| *a float* | A title offset value for the axis. |\n",
    "| **values**| *a list or None* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### AxisConfig\n",
    "\n",
    "*Wrapper for Vega-Lite AxisConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **axisColor**| *a unicode string* | Color of axis line. |\n",
    "| **axisWidth**| *a float* | Width of the axis line. |\n",
    "| **characterWidth**| *a float* | Character width for automatically determining title max length. |\n",
    "| **grid**| *a boolean* | A flag indicate if gridlines should be created in addition to ticks. |\n",
    "| **gridColor**| *a unicode string* | Color of gridlines. |\n",
    "| **gridDash**| *a list or None* | The offset (in pixels) into which to begin drawing with the grid dash array. |\n",
    "| **gridOpacity**| *a float* | The stroke opacity of grid (value between [0,1]). |\n",
    "| **gridWidth**| *a float* | The grid width, in pixels. |\n",
    "| **labelAlign**| *a unicode string* | Text alignment for the Label. |\n",
    "| **labelAngle**| *a float* | The rotation angle of the axis labels. |\n",
    "| **labelBaseline**| *a unicode string* | Text baseline for the label. |\n",
    "| **labelMaxLength**| *a float* | Truncate labels that are too long. |\n",
    "| **labels**| *a boolean* | Enable or disable labels. |\n",
    "| **layer**| *a unicode string* | A string indicating if the axis (and any gridlines) should be placed above or below the data marks. |\n",
    "| **offset**| *a float* | The offset, in pixels, by which to displace the axis from the edge of the enclosing group or data rectangle. |\n",
    "| **properties**| *any value* | Optional mark property definitions for custom axis styling. |\n",
    "| **shortTimeLabels**| *a boolean* | Whether month and day names should be abbreviated. |\n",
    "| **subdivide**| *a float* | If provided, sets the number of minor ticks between major ticks (the value 9 results in decimal subdivision). |\n",
    "| **tickColor**| *a unicode string* | The color of the axis's tick. |\n",
    "| **tickLabelColor**| *a unicode string* | The color of the tick label, can be in hex color code or regular color name. |\n",
    "| **tickLabelFont**| *a unicode string* | The font of the tick label. |\n",
    "| **tickLabelFontSize**| *a float* | The font size of label, in pixels. |\n",
    "| **tickPadding**| *a float* | The padding, in pixels, between ticks and text labels. |\n",
    "| **tickSize**| *a float* | The size, in pixels, of major, minor and end ticks. |\n",
    "| **tickSizeEnd**| *a float* | The size, in pixels, of end ticks. |\n",
    "| **tickSizeMajor**| *a float* | The size, in pixels, of major ticks. |\n",
    "| **tickSizeMinor**| *a float* | The size, in pixels, of minor ticks. |\n",
    "| **tickWidth**| *a float* | The width, in pixels, of ticks. |\n",
    "| **ticks**| *a float* | A desired number of ticks, for axes visualizing quantitative scales. |\n",
    "| **titleColor**| *a unicode string* | Color of the title, can be in hex color code or regular color name. |\n",
    "| **titleFont**| *a unicode string* | Font of the title. |\n",
    "| **titleFontSize**| *a float* | Size of the title. |\n",
    "| **titleFontWeight**| *a unicode string* | Weight of the title. |\n",
    "| **titleMaxLength**| *a float* | Max length for axis title if the title is automatically generated from the field's description. |\n",
    "| **titleOffset**| *a float* | A title offset value for the axis. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Bin\n",
    "\n",
    "*Wrapper for Vega-Lite Bin definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **base**| *a float* | The number base to use for automatic bin determination (default is base 10). |\n",
    "| **div**| *a list or None* | Scale factors indicating allowable subdivisions. |\n",
    "| **max**| *a float* | The maximum bin value to consider. |\n",
    "| **maxbins**| *a float* | Maximum number of bins. |\n",
    "| **min**| *a float* | The minimum bin value to consider. |\n",
    "| **minstep**| *a float* | A minimum allowable step size (particularly useful for integer values). |\n",
    "| **step**| *a float* | An exact step size to use between bins. |\n",
    "| **steps**| *a list or None* | An array of allowable step sizes to choose from. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### CellConfig\n",
    "\n",
    "*Wrapper for Vega-Lite CellConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **clip**| *a boolean* | -- |\n",
    "| **fill**| *a unicode string* | The fill color. |\n",
    "| **fillOpacity**| *a float* | The fill opacity (value between [0,1]). |\n",
    "| **height**| *a float* | -- |\n",
    "| **stroke**| *a unicode string* | The stroke color. |\n",
    "| **strokeDash**| *a list or None* | An array of alternating stroke, space lengths for creating dashed or dotted lines. |\n",
    "| **strokeDashOffset**| *a float* | The offset (in pixels) into which to begin drawing with the stroke dash array. |\n",
    "| **strokeOpacity**| *a float* | The stroke opacity (value between [0,1]). |\n",
    "| **strokeWidth**| *a float* | The stroke width, in pixels. |\n",
    "| **width**| *a float* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Color\n",
    "\n",
    "*Color*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **legend**| *[Legend](#Legend)* | -- |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Column\n",
    "\n",
    "*Column*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **axis**| *a boolean or any value* | -- |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Config\n",
    "\n",
    "*Wrapper for Vega-Lite Config definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **axis**| *[AxisConfig](#AxisConfig)* | Axis Config. |\n",
    "| **background**| *a unicode string* | CSS color property to use as background of visualization. |\n",
    "| **cell**| *[CellConfig](#CellConfig)* | Cell Config. |\n",
    "| **facet**| *[FacetConfig](#FacetConfig)* | Facet Config. |\n",
    "| **legend**| *[LegendConfig](#LegendConfig)* | Legend Config. |\n",
    "| **mark**| *[MarkConfig](#MarkConfig)* | Mark Config. |\n",
    "| **numberFormat**| *a unicode string* | D3 Number format for axis labels and text tables. |\n",
    "| **scale**| *[ScaleConfig](#ScaleConfig)* | Scale Config. |\n",
    "| **timeFormat**| *a unicode string* | Default datetime format for axis and legend labels. |\n",
    "| **viewport**| *a float* | The width and height of the on-screen viewport, in pixels. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Data\n",
    "\n",
    "*Wrapper for Vega-Lite Data definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **formatType**| *a unicode string* |  One of ['json', 'csv', 'tsv']. |\n",
    "| **url**| *a unicode string* | A URL from which to load the data set. |\n",
    "| **values**| *a list or None* | Pass array of objects instead of a url to a file. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Detail\n",
    "\n",
    "*Detail*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Encoding\n",
    "\n",
    "*Object for storing channel encodings*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **color**| *[Color](#Color)* | Color of the marks - either fill or stroke color based on mark type. |\n",
    "| **column**| *[Column](#Column)* | Horizontal facets for trellis plots. |\n",
    "| **detail**| *any value or any value* | -- |\n",
    "| **label**| *[Label](#Label)* | -- |\n",
    "| **opacity**| *[Opacity](#Opacity)* | Opacity of the marks - either can be a value or in a range. |\n",
    "| **order**| *any value or any value* | -- |\n",
    "| **path**| *any value or any value* | -- |\n",
    "| **row**| *[Row](#Row)* | Vertical facets for trellis plots. |\n",
    "| **shape**| *[Shape](#Shape)* | The symbol's shape (only for `point` marks). |\n",
    "| **size**| *[Size](#Size)* | Size of the mark. |\n",
    "| **text**| *[Text](#Text)* | Text of the `text` mark. |\n",
    "| **x**| *[X](#X)* | X coordinates for `point`, `circle`, `square`, `line`, `rule`, `text`, and `tick` (or to width and height for `bar` and `area` marks). |\n",
    "| **y**| *[Y](#Y)* | Y coordinates for `point`, `circle`, `square`, `line`, `rule`, `text`, and `tick` (or to width and height for `bar` and `area` marks). |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Facet\n",
    "\n",
    "*Object for storing channel encodings*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **column**| *[Column](#Column)* | -- |\n",
    "| **row**| *[Row](#Row)* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### FacetConfig\n",
    "\n",
    "*Wrapper for Vega-Lite FacetConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **axis**| *[AxisConfig](#AxisConfig)* | Facet Axis Config. |\n",
    "| **cell**| *[CellConfig](#CellConfig)* | Facet Cell Config. |\n",
    "| **grid**| *[FacetGridConfig](#FacetGridConfig)* | Facet Grid Config. |\n",
    "| **scale**| *[FacetScaleConfig](#FacetScaleConfig)* | Facet Scale Config. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### FacetGridConfig\n",
    "\n",
    "*Wrapper for Vega-Lite FacetGridConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **color**| *a unicode string* | -- |\n",
    "| **offset**| *a float* | -- |\n",
    "| **opacity**| *a float* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### FacetScaleConfig\n",
    "\n",
    "*Wrapper for Vega-Lite FacetScaleConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **padding**| *a float* | -- |\n",
    "| **round**| *a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Formula\n",
    "\n",
    "*Wrapper for Vega-Lite Formula definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **expr**| *a unicode string* | A string containing an expression for the formula. |\n",
    "| **field**| *a unicode string* | The field in which to store the computed formula value. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Label\n",
    "\n",
    "*Label*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Legend\n",
    "\n",
    "*Wrapper for Vega-Lite Legend definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **format**| *a unicode string* | An optional formatting pattern for legend labels. |\n",
    "| **gradientHeight**| *a float* | The height of the gradient, in pixels. |\n",
    "| **gradientStrokeColor**| *a unicode string* | The color of the gradient stroke, can be in hex color code or regular color name. |\n",
    "| **gradientStrokeWidth**| *a float* | The width of the gradient stroke, in pixels. |\n",
    "| **gradientWidth**| *a float* | The width of the gradient, in pixels. |\n",
    "| **labelAlign**| *a unicode string* | The alignment of the legend label, can be left, middle or right. |\n",
    "| **labelBaseline**| *a unicode string* | The position of the baseline of legend label, can be top, middle or bottom. |\n",
    "| **labelColor**| *a unicode string* | The color of the legend label, can be in hex color code or regular color name. |\n",
    "| **labelFont**| *a unicode string* | The font of the lengend label. |\n",
    "| **labelFontSize**| *a float* | The font size of lengend lable. |\n",
    "| **labelOffset**| *a float* | The offset of the legend label. |\n",
    "| **margin**| *a float* | The margin around the legend, in pixels. |\n",
    "| **offset**| *a float* | The offset, in pixels, by which to displace the legend from the edge of the enclosing group or data rectangle. |\n",
    "| **orient**| *a unicode string* | The orientation of the legend. |\n",
    "| **padding**| *a float* | The padding, in pixels, between the lengend and axis. |\n",
    "| **properties**| *any value* | Optional mark property definitions for custom legend styling. |\n",
    "| **shortTimeLabels**| *a boolean* | Whether month names and weekday names should be abbreviated. |\n",
    "| **symbolColor**| *a unicode string* | The color of the legend symbol,. |\n",
    "| **symbolShape**| *a unicode string* | The shape of the legend symbol, can be the 'circle', 'square', 'cross', 'diamond', 'triangle-up', 'triangle-down'. |\n",
    "| **symbolSize**| *a float* | The size of the lengend symbol, in pixels. |\n",
    "| **symbolStrokeWidth**| *a float* | The width of the symbol's stroke. |\n",
    "| **title**| *a unicode string* | A title for the legend. |\n",
    "| **titleColor**| *a unicode string* | Optional mark property definitions for custom legend styling. |\n",
    "| **titleFont**| *a unicode string* | The font of the legend title. |\n",
    "| **titleFontSize**| *a float* | The font size of the legend title. |\n",
    "| **titleFontWeight**| *a unicode string* | The font weight of the legend title. |\n",
    "| **values**| *a list or None* | Explicitly set the visible legend values. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### LegendConfig\n",
    "\n",
    "*Wrapper for Vega-Lite LegendConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **gradientHeight**| *a float* | The height of the gradient, in pixels. |\n",
    "| **gradientStrokeColor**| *a unicode string* | The color of the gradient stroke, can be in hex color code or regular color name. |\n",
    "| **gradientStrokeWidth**| *a float* | The width of the gradient stroke, in pixels. |\n",
    "| **gradientWidth**| *a float* | The width of the gradient, in pixels. |\n",
    "| **labelAlign**| *a unicode string* | The alignment of the legend label, can be left, middle or right. |\n",
    "| **labelBaseline**| *a unicode string* | The position of the baseline of legend label, can be top, middle or bottom. |\n",
    "| **labelColor**| *a unicode string* | The color of the legend label, can be in hex color code or regular color name. |\n",
    "| **labelFont**| *a unicode string* | The font of the lengend label. |\n",
    "| **labelFontSize**| *a float* | The font size of lengend lable. |\n",
    "| **labelOffset**| *a float* | The offset of the legend label. |\n",
    "| **margin**| *a float* | The margin around the legend, in pixels. |\n",
    "| **offset**| *a float* | The offset, in pixels, by which to displace the legend from the edge of the enclosing group or data rectangle. |\n",
    "| **orient**| *a unicode string* | The orientation of the legend. |\n",
    "| **padding**| *a float* | The padding, in pixels, between the lengend and axis. |\n",
    "| **properties**| *any value* | Optional mark property definitions for custom legend styling. |\n",
    "| **shortTimeLabels**| *a boolean* | Whether month names and weekday names should be abbreviated. |\n",
    "| **symbolColor**| *a unicode string* | The color of the legend symbol,. |\n",
    "| **symbolShape**| *a unicode string* | The shape of the legend symbol, can be the 'circle', 'square', 'cross', 'diamond', 'triangle-up', 'triangle-down'. |\n",
    "| **symbolSize**| *a float* | The size of the lengend symbol, in pixels. |\n",
    "| **symbolStrokeWidth**| *a float* | The width of the symbol's stroke. |\n",
    "| **titleColor**| *a unicode string* | Optional mark property definitions for custom legend styling. |\n",
    "| **titleFont**| *a unicode string* | The font of the legend title. |\n",
    "| **titleFontSize**| *a float* | The font size of the legend title. |\n",
    "| **titleFontWeight**| *a unicode string* | The font weight of the legend title. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### MarkConfig\n",
    "\n",
    "*Wrapper for Vega-Lite MarkConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **align**| *a unicode string* | The horizontal alignment of the text. One of ['left', 'right', 'center']. |\n",
    "| **angle**| *a float* | The rotation angle of the text, in degrees. |\n",
    "| **applyColorToBackground**| *a boolean* | Apply color field to background color instead of the text. |\n",
    "| **barSize**| *a float* | The size of the bars. |\n",
    "| **barThinSize**| *a float* | The size of the bars on continuous scales. |\n",
    "| **baseline**| *a unicode string* | The vertical alignment of the text. One of ['top', 'middle', 'bottom']. |\n",
    "| **color**| *a unicode string* | Default color. |\n",
    "| **dx**| *a float* | The horizontal offset, in pixels, between the text label and its anchor point. |\n",
    "| **dy**| *a float* | The vertical offset, in pixels, between the text label and its anchor point. |\n",
    "| **fill**| *a unicode string* | Default Fill Color. |\n",
    "| **fillOpacity**| *a float* | -- |\n",
    "| **filled**| *a boolean* | Whether the shape's color should be used as fill color instead of stroke color. |\n",
    "| **font**| *a unicode string* | The typeface to set the text in . |\n",
    "| **fontSize**| *a float* | The font size, in pixels. |\n",
    "| **fontStyle**| *a unicode string* | The font style . One of ['normal', 'italic']. |\n",
    "| **fontWeight**| *a unicode string* | The font weight . One of ['normal', 'bold']. |\n",
    "| **format**| *a unicode string* | The formatting pattern for text value. |\n",
    "| **interpolate**| *a unicode string* | The line interpolation method to use. One of ['linear', 'linear-closed', 'step', 'step-before', 'step-after', 'basis', 'basis-open', 'basis-closed', 'cardinal', 'cardinal-open', 'cardinal-closed', 'bundle', 'monotone']. |\n",
    "| **lineSize**| *a float* | Size of line mark. |\n",
    "| **opacity**| *a float* | -- |\n",
    "| **orient**| *a unicode string* | The orientation of a non-stacked bar, tick, area, and line charts. |\n",
    "| **radius**| *a float* | Polar coordinate radial offset, in pixels, of the text label from the origin determined by the x and y properties. |\n",
    "| **ruleSize**| *a float* | Size of rule mark. |\n",
    "| **shape**| *a unicode string* | The symbol shape to use. One of ['circle', 'square', 'cross', 'diamond', 'triangle-up', 'triangle-down']. |\n",
    "| **shortTimeLabels**| *a boolean* | Whether month names and weekday names should be abbreviated. |\n",
    "| **size**| *a float* | The pixel area each the point. |\n",
    "| **stacked**| *a unicode string* |  One of ['zero', 'center', 'normalize', 'none']. |\n",
    "| **stroke**| *a unicode string* | Default Stroke Color. |\n",
    "| **strokeDash**| *a list or None* | An array of alternating stroke, space lengths for creating dashed or dotted lines. |\n",
    "| **strokeDashOffset**| *a float* | The offset (in pixels) into which to begin drawing with the stroke dash array. |\n",
    "| **strokeOpacity**| *a float* | -- |\n",
    "| **strokeWidth**| *a float* | -- |\n",
    "| **tension**| *a float* | Depending on the interpolation type, sets the tension parameter. |\n",
    "| **text**| *a unicode string* | Placeholder Text. |\n",
    "| **theta**| *a float* | Polar coordinate angle, in radians, of the text label from the origin determined by the x and y properties. |\n",
    "| **tickSize**| *a float* | The width of the ticks. |\n",
    "| **tickThickness**| *a float* | Thickness of the tick mark. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Opacity\n",
    "\n",
    "*Opacity*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **legend**| *[Legend](#Legend)* | -- |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Order\n",
    "\n",
    "*Order*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *a unicode string* |  One of ['ascending', 'descending', 'none']. |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Path\n",
    "\n",
    "*Path*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *a unicode string* |  One of ['ascending', 'descending', 'none']. |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Row\n",
    "\n",
    "*Row*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **axis**| *a boolean or any value* | -- |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Scale\n",
    "\n",
    "*Wrapper for Vega-Lite Scale definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **bandSize**| *a float* | -- |\n",
    "| **clamp**| *a boolean* | If true, values that exceed the data domain are clamped to either the minimum or maximum range value. |\n",
    "| **domain**| *a unicode string or any value or any value* | -- |\n",
    "| **exponent**| *a float* | Sets the exponent of the scale transformation. |\n",
    "| **nice**| *a boolean or any value* | -- |\n",
    "| **padding**| *a float* | Applies spacing among ordinal elements in the scale range. |\n",
    "| **range**| *a unicode string or any value or any value* | -- |\n",
    "| **round**| *a boolean* | If true, rounds numeric output values to integers. |\n",
    "| **type**| *a unicode string* |  One of ['linear', 'log', 'pow', 'sqrt', 'quantile', 'quantize', 'ordinal', 'time', 'utc']. |\n",
    "| **useRawDomain**| *a boolean* | Uses the source data range as scale domain instead of aggregated data for aggregate axis. |\n",
    "| **zero**| *a boolean* | If true, ensures that a zero baseline value is included in the scale domain. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### ScaleConfig\n",
    "\n",
    "*Wrapper for Vega-Lite ScaleConfig definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **bandSize**| *a float* | Default band size for (1) `y` ordinal scale, and (2) `x` ordinal scale when the mark is not `text`. |\n",
    "| **barSizeRange**| *a list or None* | Default range for bar size scale. |\n",
    "| **fontSizeRange**| *a list or None* | Default range for font size scale. |\n",
    "| **nominalColorRange**| *a unicode string or any value* | -- |\n",
    "| **opacity**| *a list or None* | Default range for opacity. |\n",
    "| **padding**| *a float* | Default padding for `x` and `y` ordinal scales. |\n",
    "| **pointSizeRange**| *a list or None* | Default range for bar size scale. |\n",
    "| **round**| *a boolean* | If true, rounds numeric output values to integers. |\n",
    "| **ruleSizeRange**| *a list or None* | Default range for rule stroke widths. |\n",
    "| **sequentialColorRange**| *a unicode string or any value* | -- |\n",
    "| **shapeRange**| *a unicode string or any value* | -- |\n",
    "| **textBandWidth**| *a float* | Default band width for `x` ordinal scale when is mark is `text`. |\n",
    "| **tickSizeRange**| *a list or None* | Default range for tick spans. |\n",
    "| **useRawDomain**| *a boolean* | Uses the source data range as scale domain instead of aggregated data for aggregate axis. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Shape\n",
    "\n",
    "*Shape*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **legend**| *[Legend](#Legend)* | -- |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Size\n",
    "\n",
    "*Size*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **legend**| *[Legend](#Legend)* | -- |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### SortField\n",
    "\n",
    "*Wrapper for Vega-Lite SortField definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **field**| *a unicode string* | The field name to aggregate over. |\n",
    "| **op**| *a unicode string* | The sort aggregation operator. One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **order**| *a unicode string* |  One of ['ascending', 'descending', 'none']. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Text\n",
    "\n",
    "*Text*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Transform\n",
    "\n",
    "*Wrapper for Vega-Lite Transform definition.*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **calculate**| *a list or None* | Calculate new field(s) using the provided expresssion(s). |\n",
    "| **filter**| *a unicode string* | A string containing the filter Vega expression. |\n",
    "| **filterNull**| *a boolean* | Filter null values from the data. |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### X\n",
    "\n",
    "*X*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **axis**| *a boolean or any value* | -- |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Y\n",
    "\n",
    "*Y*\n",
    "\n",
    "| Trait | type | description |\n",
    "|-------|------|-------------|\n",
    "| **aggregate**| *a unicode string* | Aggregation function for the field . One of ['values', 'count', 'valid', 'missing', 'distinct', 'sum', 'mean', 'average', 'variance', 'variancep', 'stdev', 'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max', 'argmin', 'argmax']. |\n",
    "| **axis**| *a boolean or any value* | -- |\n",
    "| **bin**| *a boolean or any value* | -- |\n",
    "| **field**| *a unicode string* | Name of the field from which to pull a data value. |\n",
    "| **scale**| *[Scale](#Scale)* | -- |\n",
    "| **shorthand**| *a unicode string* | -- |\n",
    "| **sort**| *any value or any value* | -- |\n",
    "| **timeUnit**| *a unicode string* | Time unit for a `temporal` field . One of ['year', 'month', 'day', 'date', 'hours', 'minutes', 'seconds', 'milliseconds', 'yearmonth', 'yearmonthday', 'yearmonthdate', 'yearday', 'yeardate', 'yearmonthdayhours', 'yearmonthdayhoursminutes', 'yearmonthdayhoursminutesseconds', 'hoursminutes', 'hoursminutesseconds', 'minutesseconds', 'secondsmilliseconds']. |\n",
    "| **title**| *a unicode string* | Title for axis or legend. |\n",
    "| **type**| *a unicode string* | The encoded field's type of measurement. One of ['quantitative', 'ordinal', 'temporal', 'nominal']. |\n",
    "| **value**| *a float or a unicode string or a boolean* | -- |\n"
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