Fatal Encounters Deaths by State

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<meta charset="utf-8">
<style>

.bar {
  fill: purple;
}

.bar:hover {
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.axis {
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.axis line {
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<body>
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<script>
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  .append("g")
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d3.csv("https://numeracy.co/projects/45gLWhWroC/fatal-encounters-summary.csv", type, function(error, data) {
  if (error) throw error;
  
	var deathsByYear = d3.nest()
  	.key(function(d) { return d.State })
  	.entries(data)

x.domain(deathsByYear.map(function(d) { return d.key; }));
  y.domain([0, d3.max(deathsByYear, function(d) { return d.values.length })])

svg.append("g")
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    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Deaths");

svg.selectAll(".bar")
      .data(deathsByYear)
    .enter().append("rect")
  		.attr("y", 500)
  		.transition().duration(1000)
      .attr("class", "bar")
      .attr("x", function(d) { return x(d.key); })
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      .attr("y", function(d) { return y(d.values.length); })
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function type(d) {
  d.frequency = +d.frequency;
  return d;
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