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September 27, 2015 11:53
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D30815 Module 6
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Module 6 Exercise (D30815: Data Visualization and Infographics with D3; August 17-September 27, 2015)</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script> | |
<style type="text/css"> | |
/* styles stolen wholesale frmo Module6 samples */ | |
body { | |
background-color: white; | |
font-family: Helvetica, Arial, sans-serif; | |
} | |
h1 { | |
font-size: 18px; | |
margin: 0; | |
} | |
p { | |
font-size: 14px; | |
margin: 2px 0 2px 0; | |
} | |
svg { | |
background-color: white; | |
} | |
circle:hover { | |
fill: orange; | |
} | |
path { | |
stroke: gray; | |
stroke-width: 1; | |
} | |
g.women path { | |
stroke: Magenta ; | |
} | |
g.men path { | |
stroke: MediumBlue; | |
} | |
/*g.highlight path {*/ | |
path:hover { | |
stroke-width: 3; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: black; | |
stroke-width: 1; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: sans-serif; | |
font-size: 11px; | |
} | |
</style> | |
</head> | |
<body> | |
<h1>Module 6: Population of Nicollet Island, Minneapolis, MN: 1900 - 1940</h1> | |
<p>By Gender and Marital Status. Source: US Census Data, 1900, 1910, 1920, 1930, 1940 via the <a href="http://www.ipums.org">MPC</a></p> | |
<script type="text/javascript"> | |
// margin convention stolen from http://bl.ocks.org/mbostock/3019563 | |
var datafile = "married_by_gender.csv", | |
margin = {top: 20, right: 20, bottom: 20, left: 60}, | |
padding = {top: 20, right: 20, bottom: 20, left: 20}, | |
outerWidth = 750, | |
outerHeight = 350, | |
innerWidth = outerWidth - margin.left - margin.right, | |
innerHeight = outerHeight - margin.top - margin.bottom, | |
width = innerWidth - padding.left - padding.right, | |
height = innerHeight - padding.top - padding.bottom; | |
//Set up date formatting and years | |
var dateFormat = d3.time.format("%Y"); | |
var xScale = d3.time.scale() | |
.range([ 0, width ]); | |
var yScale = d3.scale.linear() | |
.range([ 0, height ]); | |
//Configure axis generators | |
var xAxis = d3.svg.axis() | |
.scale(xScale) | |
.orient("bottom") | |
.ticks(d3.time.year,10) | |
.tickFormat(function(d) { | |
return dateFormat(d); | |
}); | |
var yAxis = d3.svg.axis() | |
.scale(yScale) | |
.orient("left"); | |
//Configure line generator | |
var line = d3.svg.line() | |
.x(function(d) { | |
return xScale(d.year); | |
}) | |
.y(function(d) { | |
return yScale(d.count); | |
}); | |
var svg = d3.select("body").append("svg") | |
.attr("width", outerWidth) | |
.attr("height", outerHeight) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
d3.csv(datafile, function(error, dataMbG) { | |
if (error) { return console.warn("We had an error: " + error); } | |
// time for data massaging. Eventually, we want an array that looks like this: | |
/* | |
[ | |
{ | |
gender: Male, | |
marst : Single, | |
counts : [ | |
{ year: 1900, count: 320 } | |
{ year: 1910, count: 658 } | |
{ year: 1920, count: 420 } | |
{ year: 1930, count: 372 } | |
{ year: 1940, count: 512 } | |
] | |
} | |
{ | |
Gender ... | |
} | |
] | |
*/ | |
var dataMGbY = new Array(); | |
var minYear = dateFormat.parse("2000000"); | |
var maxYear = dateFormat.parse("0"); | |
var maxCount = 0; | |
for(var i=0; i < dataMbG.length; i++ ) { | |
var entry = dataMbG[i], | |
year = dateFormat.parse(entry.YEAR), | |
gender = entry.SEX, | |
marst = entry.MARST, | |
count = +entry.count; | |
// find the min and max years and counts for our ranges later. | |
minYear = Math.min(minYear,year); | |
maxYear = Math.max(maxYear,year); | |
maxCount = Math.max(maxCount,count); | |
// if we've got the gender/status object, add the year count object to it. | |
// if not, create a new one. | |
if (!dataMGbY.some(function (oMGbY) { | |
// console.log("Checking " + oMGbY.marst + " " + oMGbY.gender + " against current " + marst + " " + gender); | |
if( (oMGbY.marst == marst) && (oMGbY.gender == gender) ) { | |
// we've got an object for this one, add the count object. | |
// console.log("Pushing " + dateFormat(year) + ": " + count + " for " + marst + " " + gender + " to push on " + JSON.stringify(oMGbY)); | |
var newCount = { year: year, count: count}; | |
oMGbY.counts.push(newCount); | |
return true; | |
} | |
})) { | |
// create a new gender/status by year object | |
var newMGbY = { gender: gender, marst: marst, counts: new Array() } | |
var newCount = { year: year, count: count} | |
newMGbY.counts.push(newCount); | |
dataMGbY.push(newMGbY); | |
// console.log("Created new object: " + JSON.stringify(newMGbY)); | |
} | |
} | |
console.log(dataMGbY); | |
//Set scale domains | |
xScale.domain([ minYear, maxYear ]); | |
yScale.domain([ maxCount+50, 0 ]); | |
//Make a group for each gender/marital status combo | |
var groups = svg.selectAll("g") | |
.data(dataMGbY) | |
.enter() | |
.append("g") | |
.classed("women", function(d) { | |
if (d.gender == "Female" ) { | |
return true; | |
} else { | |
return false; | |
} | |
}) | |
.classed("men", function(d) { | |
if (d.gender == "Male" ) { | |
return true; | |
} else { | |
return false; | |
} | |
}) | |
//Append a title with the country name (so we get easy tooltips) | |
groups.append("title") | |
.text(function(d) { | |
return "Total number of " + d.marst + " " + d.gender + "s"; | |
}); | |
//Within each group, create a new line/path, | |
//binding just the counts data to each one | |
groups.selectAll("path") | |
.data(function(d) { | |
return [ d.counts ]; | |
}) | |
.enter() | |
.append("path") | |
.attr("class", "line") | |
.attr("d", line) | |
.attr("fill", "none") | |
.attr("stroke-width", 2); | |
//Axes | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(yAxis); | |
// axis labels | |
svg.append("text") | |
.attr("class", "x label") | |
.attr("text-anchor", "end") | |
.attr("x", width) | |
.attr("y", height + 50) | |
.text("census year"); | |
svg.append("text") | |
.attr("class", "y label") | |
.attr("text-anchor", "end") | |
.attr("y", 6) | |
.attr("dy", "-3.25em") | |
.attr("transform", "rotate(-90)") | |
.text("number of group in census"); | |
}); | |
</script> | |
</body> | |
</html> |
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YEAR | SEX | MARST | count | |
---|---|---|---|---|
1900 | Female | Divorced | 2 | |
1900 | Female | Married | 256 | |
1900 | Female | Single | 155 | |
1900 | Female | Widowed | 61 | |
1900 | Male | Married | 263 | |
1900 | Male | Single | 320 | |
1900 | Male | Widowed | 32 | |
1900 | Male | Divorced | 0 | |
1910 | Female | Divorced | 3 | |
1910 | Female | Married | 256 | |
1910 | Female | Single | 123 | |
1910 | Female | Widowed | 32 | |
1910 | Male | Divorced | 3 | |
1910 | Male | Married | 318 | |
1910 | Male | Single | 658 | |
1910 | Male | Widowed | 30 | |
1920 | Female | Divorced | 9 | |
1920 | Female | Married | 205 | |
1920 | Female | Single | 57 | |
1920 | Female | Widowed | 29 | |
1920 | Male | Divorced | 16 | |
1920 | Male | Married | 241 | |
1920 | Male | Single | 420 | |
1920 | Male | Widowed | 27 | |
1930 | Female | Divorced | 7 | |
1930 | Female | Married | 148 | |
1930 | Female | Single | 35 | |
1930 | Female | Widowed | 18 | |
1930 | Male | Divorced | 12 | |
1930 | Male | Married | 165 | |
1930 | Male | Single | 372 | |
1930 | Male | Widowed | 36 | |
1940 | Female | Divorced | 10 | |
1940 | Female | Married | 147 | |
1940 | Female | Single | 23 | |
1940 | Female | Widowed | 33 | |
1940 | Male | Divorced | 17 | |
1940 | Male | Married | 160 | |
1940 | Male | Single | 512 | |
1940 | Male | Widowed | 14 |
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