Part 2 of the Project 1

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

body {
  font: 10px sans-serif;
}
h2.title {
      color: black;
      text-align: center;
    }
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
text.label {
    font-size: 1.2em;
  }
.bar {
  fill: steelblue;
}

.x.axis path {
  display: none;
}

</style>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.12/d3.min.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 100, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
// set height and width of chart
var width = innerWidth - margin.left - margin.right,
    height = innerHeight - margin.top - margin.bottom;
   
var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1);

var y = d3.scale.linear()
    .rangeRound([height, 0]);

var color = d3.scale.ordinal()
    .range(["#98abc5", "#8a89a6", "#d0743c", "#ff8c00"]);//"#6b486b", "#a05d56", "#d0743c", "#ff8c00"

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    //.tickFormat(d3.format(".2s"));

// column we want to plot
    var radius = 3,
        field = 'Doubleclick',
        x_field = "Sum of CTR",
        y_field = "availability_365";
    var padding = 30;
    // Append the title for the graph
d3.select("body")
    .append("h2")
    .text(field + " total click through rate (CTR) by category.")
    .attr('class', 'title');

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
  .attr('class','chart')
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

d3.csv("data1.csv", function(error, data) {
  if (error) throw error;

color.domain(d3.keys(data[0]).filter(function(key) { return key !== "State"; }));

data.forEach(function(d) {
    var y0 = 0;
    d.ages = color.domain().map(function(name) { return {name: name, y0: y0, y1: y0 += +d[name]}; });
    d.total = d.ages[d.ages.length - 1].y1;
  });

data.sort(function(a, b) { return b.total - a.total; });

x.domain(data.map(function(d) { return d.State; }));
  y.domain([0, d3.max(data, function(d) { return d.total; })]);

svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
      .selectAll("text")
      .attr("transform", "rotate(-90)")
      .attr("x", -5)
      .attr('y', 0)
      .attr("dy", ".25em")
      .style("text-anchor", "end");

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);
    // .append("text")
    //   .attr("transform", "rotate(-90)")
    //   .attr("y", 6)
    //   .attr("dy", ".71em")
    //   .style("text-anchor", "end")
    //   .text("CTR");

// add label to y-axis
      var y_label = d3.select(".y.axis")
          .append("text")
          .attr('class', 'label')
          .text("Total CTR")
          .attr("transform", "rotate(-90)");
      
      // center y axis label
      y_label.attr("x", -(height / 2)).attr('y', -60)
            .style("text-anchor", "middle");

var state = svg.selectAll(".state")
      .data(data)
    .enter().append("g")
      .attr("class", "g")
      .attr("transform", function(d) { return "translate(" + x(d.State) + ",0)"; });

state.selectAll("rect")
      .data(function(d) { return d.ages; })
    .enter().append("rect")
      .attr("width", x.rangeBand())
      .attr("y", function(d) { return y(d.y1); })
      .attr("height", function(d) { return y(d.y0) - y(d.y1); })
      .style("fill", function(d) { return color(d.name); });

var legend = svg.selectAll(".legend")
      .data(color.domain().slice().reverse())
    .enter().append("g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });

legend.append("rect")
      .attr("x", width - 18)
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", color);

legend.append("text")
      .attr("x", width - 24)
      .attr("y", 9)
      .attr("dy", ".35em")
      .style("text-anchor", "end")
      .text(function(d) { return d; });
      // make the bar chart responsive
        var resize = function resize() {
            // recalculate width and height
            var width = innerWidth - margin.left - margin.right,
                height = innerHeight - margin.top - margin.bottom;
            
            // recalculate scales
            x_scale.rangeRoundBands([0, width], .1)
            y_scale.range([height, 0]);

// resize x axis
            svg.select('.x.axis')
                 .attr("transform", "translate(0," + height + ")")
                 .call(x_axis)
                 .selectAll("text")
                 .attr("transform", "rotate(-90)")
                 .attr("x", -5)
                 .attr('y', 0)
                 .attr("dy", ".25em")
                 .style("text-anchor", "end");

// reposition x axis label
            svg.select('.x.axis .label').attr("x", width / 2 )
            
            // resize y axis
            svg.select('.y.axis')
                 .call(y_axis);

// hide x-axis lines
            svg.select('.x.axis').select('path').remove();
            svg.select('.x.axis').selectAll('line').remove();

// reposition y axis label
            y_label.attr("x", -(height / 2));
            
            // reposition bars
            neigh.attr("transform", function(d) { return "translate(" + x_scale(d.key) + ",0)"; });

// resize bands within each bar
            neigh.selectAll('rect')
              .attr("width", x_scale.rangeBand())
              .attr("y", function(d) { debugger; return y_scale(d.y1); })
              .attr("height", function(d) { debugger; return y_scale(d.y0) - y_scale(d.y1); })

// reposition legend
            legend.select('rect').attr("x", width - 18);
            legend.select('text').attr("x", width - 24);
        };
        
        // trigger resize on window resize
        d3.select(window).on('resize', resize);

});

</script>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.12/d3.min.js