Basic scatterplot in d3.js

https://www.d3-graph-gallery.com/graph/scatter_basic.html

 

<!-- Code from d3-graph-gallery.com -->
<!DOCTYPE html>
<meta charset="utf-8">

<!-- Load d3.js -->
<script src="https://d3js.org/d3.v4.js"></script>

<!-- Create a div where the graph will take place -->
<div id="my_dataviz"></div>


<script>

// set the dimensions and margins of the graph
var margin = {top: 10, right: 30, bottom: 30, left: 60},
width = 460 - margin.left - margin.right,
height = 400 - margin.top - margin.bottom;

// append the svg object to the body of the page
var svg = d3.select("#my_dataviz")
.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 + ")");

//Read the data
d3.csv("https://raw.githubusercontent.com/holtzy/data_to_viz/master/Example_dataset/2_TwoNum.csv", function(data) {

// Add X axis
var x = d3.scaleLinear()
.domain([0, 4000])
.range([ 0, width ]);
svg.append("g")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x));

// Add Y axis
var y = d3.scaleLinear()
.domain([0, 500000])
.range([ height, 0]);
svg.append("g")
.call(d3.axisLeft(y));

// Add dots
svg.append('g')
.selectAll("dot")
.data(data)
.enter()
.append("circle")
.attr("cx", function (d) { return x(d.GrLivArea); } )
.attr("cy", function (d) { return y(d.SalePrice); } )
.attr("r", 1.5)
.style("fill", "#69b3a2")

})

</script>

posted @ 2020-07-18 03:07  功夫 熊猫  阅读(191)  评论(0编辑  收藏  举报