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Like a box plot, a quartile plot summarises a distribution with five statistics: the median (the dot); the upper quartile and the maximum value (either end of the upper centre line); and the lower quartile and the minimum value (either end of the lower centre line). However, a quartile plot reduces a box plot's glyphs to one dot and two lines, so it has a larger data-ink ratio.

For more information about quartile plots, see:

• Tufte, E.R., 2001. The Visual Display of Quantitative Information. 2nd ed. Cheshire, CT, USA: Graphics Press.

Data

Refractive indices of samples of six types of glass, gathered for criminological investigation (source).

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BASE='http://docs.google.com/a/localdata.com/spreadsheet/ccc?output=csv&key=0Aty9maMoYSDFdDFNQk93TjUzc0haeGVjWGtORVAzYlE&gid=';

for SHEET in {1..20}
do
  PATH=$BASE$SHEET
  /usr/bin/wget -O test$SHEET.csv "$PATH"
done

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// Basic XMPP bot example for HipChat using node.js
// To use:
//  1. Set config variables
//  2. Run `node hipchat_bot.js`
//  3. Send a message like "!weather 94085" in the room with the bot


var request = require('request'); // github.com/mikeal/request
var sys = require('sys');
var util = require('util');

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<?php

// see http://drupal.org/node/606332

$jsonp_prefix = $options['jsonp_prefix'];
if ($view->override_path) {
  // We're inside a live preview where the JSON is pretty-printed.
  $json = _views_json_encode_formatted($rows);
  if ($jsonp_prefix)
    $json = "\$_GET['$jsonp_prefix']($json)";