mathewjshaw/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org

  
## Homework1.2.csv

          
            District
            numRecords

            
              BAYVIEW
              991

            
              CENTRAL
              1425

            
              INGLESIDE
              782

            
              MISSION
              1506

            
              NORTHERN
              1616

            
              PARK
              520

            
              RICHMOND
              650

            
              SOUTHERN
              2132

            
              TARAVAL
              821

            
              TENDERLOIN
              683

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */

.bar { fill: steelblue; }

</style>
<body>

<!-- load the d3.js library -->
<script src="//d3js.org/d3.v4.min.js"></script>
<script>


var margin = {top: 20, right: 20, bottom: 110, left: 60},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;


var x = d3.scaleBand()
          .range([0, width])
          .padding(0.1);
var y = d3.scaleLinear()
          .range([height, 0]);


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 + ")");

// get the data
d3.csv("Homework1.2.csv", function(error, data) {
  if (error) throw error;

  // format the data
  data.forEach(function(d) {
    d.District = d.District;
    d.numRecords = +d.numRecords;

  });
  console.log(data);


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

  svg.selectAll(".bar")
      .data(data)
    .enter().append("rect")
      .attr("class", "bar")
      .attr("x", function(d) { return x(d.District)+20; })
      .attr("width", 39)
      .attr("y", function(d) { return y(d.numRecords); })
      .attr("height", function(d) { return height - y(d.numRecords); });

  // add the x Axis
  svg.append("g")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x))
		 .selectAll("text")
     .style("text-anchor", "end")
        .attr("dx", "-0.87808em")
  .style("font-size", "11px")
        .attr("dy", "-0.377856em")
           .attr("transform",  "rotate(-90)");
  // add the y Axis

  svg.append("g")
      .call(d3.axisLeft(y));

  svg.append("text")      // text label for the x axis
  			.attr("transform",  "rotate(-90)")
        .attr("x", -180 )
        .attr("y",  -45 )
        .style("text-anchor", "middle")
        .text("Number of Records");


svg.append("text")      // text label for the x axis
        .attr("x", 423 )
        .attr("y",  -8 )
        .style("text-anchor", "middle")
        .text("Pd District");
});


</script>
</body>
	District	numRecords
	BAYVIEW	991
	CENTRAL	1425
	INGLESIDE	782
	MISSION	1506
	NORTHERN	1616
	PARK	520
	RICHMOND	650
	SOUTHERN	2132
	TARAVAL	821
	TENDERLOIN	683
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style> /* set the CSS */

	.bar { fill: steelblue; }

	</style>
	<body>

	<!-- load the d3.js library -->
	<script src="//d3js.org/d3.v4.min.js"></script>
	<script>


	var margin = {top: 20, right: 20, bottom: 110, left: 60},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;


	var x = d3.scaleBand()
	.range([0, width])
	.padding(0.1);
	var y = d3.scaleLinear()
	.range([height, 0]);


	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 + ")");

	// get the data
	d3.csv("Homework1.2.csv", function(error, data) {
	if (error) throw error;

	// format the data
	data.forEach(function(d) {
	d.District = d.District;
	d.numRecords = +d.numRecords;

	});
	console.log(data);


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

	svg.selectAll(".bar")
	.data(data)
	.enter().append("rect")
	.attr("class", "bar")
	.attr("x", function(d) { return x(d.District)+20; })
	.attr("width", 39)
	.attr("y", function(d) { return y(d.numRecords); })
	.attr("height", function(d) { return height - y(d.numRecords); });

	// add the x Axis
	svg.append("g")
	.attr("transform", "translate(0," + height + ")")
	.call(d3.axisBottom(x))
	.selectAll("text")
	.style("text-anchor", "end")
	.attr("dx", "-0.87808em")
	.style("font-size", "11px")
	.attr("dy", "-0.377856em")
	.attr("transform", "rotate(-90)");
	// add the y Axis

	svg.append("g")
	.call(d3.axisLeft(y));

	svg.append("text") // text label for the x axis
	.attr("transform", "rotate(-90)")
	.attr("x", -180 )
	.attr("y", -45 )
	.style("text-anchor", "middle")
	.text("Number of Records");


	svg.append("text") // text label for the x axis
	.attr("x", 423 )
	.attr("y", -8 )
	.style("text-anchor", "middle")
	.text("Pd District");
	});


	</script>
	</body>