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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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.axis--x path { |
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display: none; |
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} |
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.line { |
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fill: none; |
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stroke: steelblue; |
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stroke-width: 1.5px; |
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} |
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</style> |
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<svg width="960" height="500"></svg> |
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<script src="//d3js.org/d3.v4.min.js"></script> |
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<script> |
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var svg = d3.select("svg"), |
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margin = {top: 20, right: 80, bottom: 30, left: 50}, |
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width = svg.attr("width") - margin.left - margin.right, |
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height = svg.attr("height") - margin.top - margin.bottom, |
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g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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var parseTime = d3.timeParse("%Y%m%d"); |
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var x = d3.scaleTime().range([0, width]), |
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y = d3.scaleLinear().range([height, 0]), |
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z = d3.scaleOrdinal(d3.schemeCategory10); |
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var line = d3.line() |
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.curve(d3.curveBasis) |
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.x(function(d) { return x(d.date); }) |
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.y(function(d) { return y(d.return); }); |
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function type(d, _, columns) { |
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d.Date = parseTime(+d.Date); |
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// i = 1 to skip date, c = columns[i] for +d[c] |
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for (var i = 1, n = columns.length, c; i < n; ++i) d[c = columns[i]] = +d[c]; |
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return d; |
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} |
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d3.csv("data.csv", type, function(error, data) { |
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if (error) throw error; |
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// console.log(data.columns); |
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// console.log(data); |
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// console.log(data[0].Date); |
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var returns = data.columns.slice(data.columns.length-1).map(function(id) { |
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return { |
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id: "hkws", |
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values: data.map(function(d) { |
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return {date: d.Date, return: d.return}; |
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}) |
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}; |
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}); |
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console.log(returns[0].values); |
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x.domain(d3.extent(returns[0].values, function(d) { return d.date; })); |
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y.domain( |
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d3.extent(returns[0].values, function(d) { return d.return;}) |
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); |
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// z.domain(rr.map(function(c) { return c.id; })); |
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g.append("g") |
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.attr("class", "axis axis--x") |
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.attr("transform", "translate(0," + height + ")") |
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.call(d3.axisBottom(x)); |
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g.append("g") |
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.attr("class", "axis axis--y") |
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.call(d3.axisLeft(y)) |
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.append("text") |
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.attr("x",20) |
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.attr("y", 6) |
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.attr("dy", "0.71em") |
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.attr("text-anchor", "start") |
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.attr("fill", "#000") |
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.text("return, 1-base"); |
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console.log("what inside returns", returns); |
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var a= g.append("path").datum(returns[0].values) |
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.attr("class", "line") |
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.attr("d", function(d) { return line(d); }) |
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.style("stroke", "red" ); |
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console.log("what inside a", a); |
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var text1 = g.append("text") |
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.datum(returns[0].values) |
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.attr("transform", function(d){return "translate(" + x(d[returns[0].values.length - 1].date) + "," + y(d[returns[0].values.length - 1].return) + ")";}) |
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.attr("x", 3) |
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.attr("dy", "0.35em") |
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.style("font", "10px sans-serif") |
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.text(function(d) { return returns[0].id; }); |
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console.log("text1 has", text1); |
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}); |
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</script> |
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