Grouped bar chart v4

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forked from romsson's block: Grouped bar chart v4

<!DOCTYPE html>
<meta charset="utf-8">
<style>

.axis text {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.x.axis path {
  display: none;
}

</style>
<body>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>

// Source: https://bl.ocks.org/mbostock/3887051
var n = 10, // number of samples
    m = 5; // number of series

var data = d3.range(m).map(function() { 
  return d3.range(n).map(Math.random); 
});

var margin = {top: 20, right: 30, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var y = d3.scaleLinear()
    .domain([0, 1])
    .range([height, 0]);

var x0 = d3.scaleBand()
    .domain(d3.range(n))
    .range([0, width], .2);

var x1 = d3.scaleBand()
    .domain(d3.range(m))
    .range([0, x0.bandwidth() - 10]);

var z = d3.scaleOrdinal()
    .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);

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 + ")");

console.log(data)
  
svg.append("g").selectAll("g")
    .data(data)
  .enter().append("g")
    .style("fill", function(d, i) { return z(i); })
    .attr("transform", function(d, i) { return "translate(" + x1(i) + ",0)"; })
  .selectAll("rect")
    .data(function(d) { return d; })
  .enter().append("rect")
    .attr("width", x1.bandwidth())
    .attr("height", y)
    .attr("x", function(d, i) { return x0(i); })
    .attr("y", function(d) { return height - y(d); });

</script>

https://d3js.org/d3.v4.min.js