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forked from vikkya's block: multiline chart
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December 18, 2020 19:20
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multiline chart
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> /* set the CSS */ | |
| body { font: 12px Arial;} | |
| path { | |
| stroke: steelblue; | |
| stroke-width: 2; | |
| fill: none; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: grey; | |
| stroke-width: 1; | |
| shape-rendering: crispEdges; | |
| } | |
| .legend { | |
| font-size: 16px; | |
| font-weight: bold; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <!-- load the d3.js library --> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.min.js"></script> | |
| <script> | |
| // Set the dimensions of the canvas / graph | |
| var margin = {top: 30, right: 20, bottom: 70, left: 50}, | |
| width = 600 - margin.left - margin.right, | |
| height = 300 - margin.top - margin.bottom; | |
| // Set the ranges | |
| var x = d3.scaleTime().range([0, width]); | |
| var y = d3.scaleLinear().range([height, 0]); | |
| // Define the line | |
| var line = d3.line() | |
| .x(function(d) { return x(d.month); }) | |
| .y(function(d) { return y(d.sales); }); | |
| var parseTime = d3.timeParse("%Y%m%d"); | |
| // Adds the svg canvas | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", | |
| "translate(" + margin.left + "," + margin.top + ")"); | |
| // Get the data | |
| d3.csv("stockes.csv", function(error, data) { | |
| data.forEach(function(d) { | |
| d.month = parseTime(d.month); | |
| d.sales = +d.sales; | |
| }); | |
| // Scale the range of the data | |
| x.domain(d3.extent(data, function(d) { return d.month; })); | |
| y.domain([0, d3.max(data, function(d) { return d.sales; })]).nice(); | |
| // Add the X Axis | |
| svg.append("g") | |
| .attr("class", "axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.axisBottom(x)); | |
| // Add the Y Axis | |
| svg.append("g") | |
| .attr("class", "axis") | |
| .call(d3.axisLeft(y)); | |
| // Nest the entries by series | |
| var dataNest = d3.nest() | |
| .key(function(d) {return d.series;}) | |
| .entries(data); | |
| // set the colour scale | |
| var color = d3.scaleOrdinal(d3.schemeCategory10); | |
| // Loop through each series / key | |
| dataNest.forEach(function(d,i) { | |
| svg.append("path") | |
| .attr("class", "line") | |
| .style("stroke", function() { // Add the colours dynamically | |
| return d.color = color(d.key); }) | |
| .attr("d", line(d.values)); | |
| }); | |
| }); | |
| </script> | |
| </body> |
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| series | sales | month | |
|---|---|---|---|
| 1 | 18 | 20200125 | |
| 2 | 36 | 20200125 | |
| 1 | 26 | 20200126 | |
| 2 | 35 | 20200126 | |
| 1 | 25 | 20200127 | |
| 2 | 35 | 20200127 | |
| 1 | 17 | 20200128 | |
| 2 | 39 | 20200128 | |
| 1 | 1 | 20200129 | |
| 2 | 1 | 20200129 | |
| 1 | 5 | 20200225 | |
| 2 | 12 | 20200225 | |
| 1 | 11 | 20200226 | |
| 2 | 22 | 20200226 | |
| 1 | 26 | 20200227 | |
| 2 | 21 | 20200227 | |
| 1 | 27 | 20200228 | |
| 2 | 28 | 20200228 | |
| 1 | 1 | 20200229 | |
| 2 | 1 | 20200229 | |
| 1 | 27 | 20200325 | |
| 2 | 23 | 20200325 | |
| 1 | 29 | 20200326 | |
| 2 | 24 | 20200326 | |
| 1 | 36 | 20200327 | |
| 2 | 30 | 20200327 | |
| 1 | 19 | 20200328 | |
| 2 | 34 | 20200328 | |
| 1 | 1 | 20200329 | |
| 2 | 1 | 20200329 | |
| 1 | 40 | 20200425 | |
| 2 | 36 | 20200425 | |
| 1 | 21 | 20200426 | |
| 2 | 33 | 20200426 | |
| 1 | 30 | 20200427 | |
| 2 | 13 | 20200427 | |
| 1 | 50 | 20200428 | |
| 2 | 26 | 20200428 | |
| 1 | 1 | 20200429 | |
| 2 | 1 | 20200429 | |
| 1 | 33 | 20200525 | |
| 2 | 50 | 20200525 | |
| 1 | 36 | 20200526 | |
| 2 | 12 | 20200526 | |
| 1 | 20 | 20200527 | |
| 2 | 26 | 20200527 | |
| 1 | 25 | 20200528 | |
| 2 | 26 | 20200528 | |
| 1 | 1 | 20200529 | |
| 2 | 1 | 20200529 | |
| 1 | 17 | 20200625 | |
| 2 | 17 | 20200625 | |
| 1 | 26 | 20200626 | |
| 2 | 54 | 20200626 | |
| 1 | 39 | 20200627 | |
| 2 | 40 | 20200627 | |
| 1 | 46 | 20200628 | |
| 2 | 44 | 20200628 | |
| 1 | 1 | 20200629 | |
| 2 | 1 | 20200629 | |
| 1 | 30 | 20200725 | |
| 2 | 28 | 20200725 | |
| 1 | 29 | 20200726 | |
| 2 | 22 | 20200726 | |
| 1 | 42 | 20200727 | |
| 2 | 37 | 20200727 | |
| 1 | 51 | 20200728 | |
| 1 | 1 | 20200729 | |
| 2 | 1 | 20200729 | |
| 1 | 51 | 20200825 | |
| 2 | 71 | 20200825 | |
| 1 | 33 | 20200826 | |
| 2 | 21 | 20200826 | |
| 1 | 41 | 20200827 | |
| 2 | 32 | 20200827 | |
| 1 | 17 | 20200828 | |
| 2 | 17 | 20200828 | |
| 1 | 1 | 20200829 | |
| 2 | 1 | 20200829 | |
| 1 | 37 | 20200925 | |
| 2 | 46 | 20200925 | |
| 1 | 12 | 20200926 | |
| 2 | 36 | 20200926 | |
| 1 | 19 | 20200927 | |
| 2 | 21 | 20200927 | |
| 1 | 33 | 20200928 | |
| 2 | 35 | 20200928 | |
| 1 | 1 | 20200929 | |
| 2 | 1 | 20200929 | |
| 1 | 22 | 20201024 | |
| 2 | 11 | 20201024 | |
| 1 | 33 | 20201025 | |
| 2 | 18 | 20201025 | |
| 1 | 49 | 20201026 | |
| 2 | 36 | 20201026 | |
| 1 | 52 | 20201027 | |
| 2 | 40 | 20201027 | |
| 1 | 30 | 20201028 | |
| 2 | 38 | 20201028 | |
| 1 | 1 | 20201029 | |
| 2 | 1 | 20201029 |
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