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d3-challenge-1
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<!DOCTYPE html> <head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v4.min.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } svg { height: 100%; width: 100%; } </style> </head> <body> <svg></svg> <script> var city = 'San Francisco'; var width = 900; var height = 300; var margin = {top: 20, bottom: 20, left: 20, right: 20}; d3.tsv('data.tsv', (err, data) => { // clean the data data.forEach(d => { d.date = d3.timeParse("%Y%m%d")(d.date); d.date = new Date(d.date); // x d[city] = ++d[city]; // y }); var yExtent = d3.extent(data, d => d[city]) var yScale = d3.scaleLinear() .domain(yExtent) .range([height, margin.top]) var xExtent = d3.extent(data, d => d.date) var xScale = d3.scaleTime() .domain(xExtent) .range([30, width]) var monthTicks = data .filter(d => d.date.getDate() === 1) .map(d => d.date) var yAxis = d3.axisLeft().scale(yScale) var xAxis = d3.axisBottom().scale(xScale) // append X Axis d3.select('svg') .append('g') .attr('transform', `translate(10, ${height + margin.top})`) .call(xAxis) // append Y Axis d3.select('svg') .append('g') .attr('transform', 'translate(40, ' + margin.top +')') .call(yAxis) // append graph data d3.select('svg').selectAll('rect') .data(data) .enter() .append('rect') .attr('y', (d, i) => yScale(d[city]) + margin.top) .attr('x', (d, i) => xScale(d.date) + 10) .attr('height', d => height - yScale(d[city])) .attr('width', d => 1) .attr('fill', 'blue') }); </script> </body>
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