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@@ -0,0 +1,147 @@
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+'use strict';
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+
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+window.chartColors = {
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+ red: 'rgb(255, 99, 132)',
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+ orange: 'rgb(255, 159, 64)',
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+ yellow: 'rgb(255, 205, 86)',
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+ green: 'rgb(75, 192, 192)',
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+ blue: 'rgb(54, 162, 235)',
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+ purple: 'rgb(153, 102, 255)',
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+ grey: 'rgb(201, 203, 207)'
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+};
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+
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+(function(global) {
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+ var MONTHS = [
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+ 'January',
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+ 'February',
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+ 'March',
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+ 'April',
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+ 'May',
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+ 'June',
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+ 'July',
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+ 'August',
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+ 'September',
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+ 'October',
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+ 'November',
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+ 'December'
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+ ];
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+
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+ var COLORS = [
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+ '#4dc9f6',
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+ '#f67019',
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+ '#f53794',
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+ '#537bc4',
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+ '#acc236',
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+ '#166a8f',
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+ '#00a950',
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+ '#58595b',
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+ '#8549ba'
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+ ];
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+
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+ var Samples = global.Samples || (global.Samples = {});
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+ var Color = global.Color;
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+
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+ Samples.utils = {
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+ // Adapted from http://indiegamr.com/generate-repeatable-random-numbers-in-js/
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+ srand: function(seed) {
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+ this._seed = seed;
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+ },
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+
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+ rand: function(min, max) {
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+ var seed = this._seed;
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+ min = min === undefined ? 0 : min;
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+ max = max === undefined ? 1 : max;
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+ this._seed = (seed * 9301 + 49297) % 233280;
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+ return min + (this._seed / 233280) * (max - min);
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+ },
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+
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+ numbers: function(config) {
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+ var cfg = config || {};
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+ var min = cfg.min || 0;
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+ var max = cfg.max || 1;
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+ var from = cfg.from || [];
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+ var count = cfg.count || 8;
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+ var decimals = cfg.decimals || 8;
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+ var continuity = cfg.continuity || 1;
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+ var dfactor = Math.pow(10, decimals) || 0;
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+ var data = [];
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+ var i, value;
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+
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+ for (i = 0; i < count; ++i) {
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+ value = (from[i] || 0) + this.rand(min, max);
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+ if (this.rand() <= continuity) {
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+ data.push(Math.round(dfactor * value) / dfactor);
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+ } else {
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+ data.push(null);
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+ }
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+ }
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+
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+ return data;
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+ },
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+
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+ labels: function(config) {
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+ var cfg = config || {};
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+ var min = cfg.min || 0;
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+ var max = cfg.max || 100;
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+ var count = cfg.count || 8;
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+ var step = (max - min) / count;
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+ var decimals = cfg.decimals || 8;
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+ var dfactor = Math.pow(10, decimals) || 0;
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+ var prefix = cfg.prefix || '';
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+ var values = [];
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+ var i;
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+
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+ for (i = min; i < max; i += step) {
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+ values.push(prefix + Math.round(dfactor * i) / dfactor);
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+ }
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+
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+ return values;
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+ },
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+
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+ months: function(config) {
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+ var cfg = config || {};
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+ var count = cfg.count || 12;
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+ var section = cfg.section;
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+ var values = [];
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+ var i, value;
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+
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+ for (i = 0; i < count; ++i) {
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+ value = MONTHS[Math.ceil(i) % 12];
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+ values.push(value.substring(0, section));
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+ }
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+
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+ return values;
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+ },
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+
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+ color: function(index) {
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+ return COLORS[index % COLORS.length];
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+ },
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+
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+ transparentize: function(color, opacity) {
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+ var alpha = opacity === undefined ? 0.5 : 1 - opacity;
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+ return Color(color).alpha(alpha).rgbString();
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+ }
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+ };
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+
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+ // DEPRECATED
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+ window.randomScalingFactor = function() {
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+ return Math.round(Samples.utils.rand(-100, 100));
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+ };
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+
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+ // INITIALIZATION
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+
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+ Samples.utils.srand(Date.now());
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+
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+ // Google Analytics
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+ /* eslint-disable */
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+ if (document.location.hostname.match(/^(www\.)?chartjs\.org$/)) {
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+ (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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+ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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+ m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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+ })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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+ ga('create', 'UA-28909194-3', 'auto');
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+ ga('send', 'pageview');
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+ }
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+ /* eslint-enable */
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+
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+}(this));
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