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moran's i scatter plot
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| <!DOCTYPE html> | |
| <html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .dot { | |
| stroke: #000; | |
| } | |
| circle { | |
| fill-opacity: .7; | |
| } | |
| circle.hidden { | |
| fill: #ccc !important; | |
| } | |
| .extent { | |
| fill: #000; | |
| fill-opacity: .125; | |
| stroke: #fff; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v4.min.js"></script> | |
| <!-- <script src="https://cartodb-libs.global.ssl.fastly.net/carto.js/v4.0.0-beta/carto.min.js"></script> --> | |
| <script> | |
| var margin = {top: 20, right: 20, bottom: 30, left: 40}, | |
| width = 640 - margin.left - margin.right, | |
| height = 640 - margin.top - margin.bottom; | |
| // data scaler (takes data to range 0,width) | |
| var x = d3.scaleLinear() | |
| .range([0, width]); | |
| // data scaler (takes data to range height,0) | |
| var y = d3.scaleLinear() | |
| .range([height, 0]); | |
| // colors | |
| var color = d3.scaleOrdinal(d3.schemeCategory10); | |
| var xAxis = d3.axisBottom() | |
| .scale(x); | |
| var yAxis = d3.axisLeft() | |
| .scale(y); | |
| 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 + ")"); | |
| d3.csv("http://eschbacher.carto.com/api/v2/sql?q=select+cartodb_id,quads,orig_val_std+as+val,spatial_lag_std+as+spatial_lag,significance+from+moran_i_output_2+order+by+random()+limit+all&format=csv", (error, data) => { | |
| if (error) throw error; | |
| // convert to numbers | |
| data.forEach(function(d) { | |
| d.spatial_lag = +d.spatial_lag; | |
| d.val = +d.val; | |
| }); | |
| // set domain centered on zero, symmetric on max values | |
| var xmax = 1.1 * d3.max(data, (d) => { return d.val }); | |
| var ymax = 1.1 * d3.max(data, (d) => { return d.spatial_lag }); | |
| x.domain([-xmax, xmax]).nice(); | |
| y.domain([-ymax, ymax]).nice(); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height / 2 + ")") | |
| .call(xAxis) | |
| .append("text") | |
| .attr("class", "label") | |
| .attr("x", width) | |
| .attr("y", -6) | |
| .style("text-anchor", "end") | |
| .text("Value"); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .attr("transform", "translate(" + width / 2 + ",0)") | |
| .call(yAxis) | |
| .append("text") | |
| .attr("class", "label") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 6) | |
| .attr("dy", ".71em") | |
| .style("text-anchor", "end") | |
| .text("Spatial Lag"); | |
| // TODO: have a slider change the value of the significance | |
| svg.selectAll(".dot") | |
| .data(data) | |
| .enter().append("circle") | |
| .attr("class", "dot") | |
| .attr("r", 3.5) | |
| .attr("cx", (d) => { return x(d.val); }) | |
| .attr("cy", (d) => { return y(d.spatial_lag); }) | |
| .style("fill", (d) => { return color(d.quads); }) | |
| .style("opacity", opacityFunc); | |
| var legend = svg.selectAll(".legend") | |
| .data(color.domain()) | |
| .enter().append("g") | |
| .attr("class", "legend") | |
| .attr("transform", (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((d) => { return d; }); | |
| // Clear the previously-active brush, if any. | |
| // function brushstart(p) { | |
| // if (brushCell !== this) { | |
| // d3.select(brushCell).call(brush.clear()); | |
| // // x.domain(domainByTrait[p.x]); | |
| // // y.domain(domainByTrait[p.y]); | |
| // brushCell = this; | |
| // } | |
| // console.log('making brushing', this); | |
| // } | |
| // Highlight the selected circles. | |
| function brushmove() { | |
| var s = d3.event.selection, | |
| x0 = s[0][0], | |
| y0 = s[0][1], | |
| dx = s[1][0] - x0, | |
| dy = s[1][1] - y0; | |
| svg.selectAll('circle') | |
| .style("opacity", (d) => { | |
| if (x(d.val) >= x0 && x(d.val) <= x0 + dx && y(d.spatial_lag) >= y0 && y(d.spatial_lag) <= y0 + dy) | |
| { | |
| // console.log(d.cartodb_id); | |
| return 1; | |
| } | |
| else { | |
| return 0.3; | |
| } | |
| }); | |
| } | |
| // If the brush is empty, select all circles. | |
| function brushend() { | |
| if (!d3.event.selection) { | |
| svg.selectAll('circle') | |
| .transition() | |
| .duration(150) | |
| .ease(d3.easeLinear) | |
| .style("opacity", opacityFunc); | |
| } | |
| // console.log(d3.event.selection); | |
| } | |
| // }); | |
| var brushCell; | |
| var brush = d3.brush() | |
| .extent([[0, 0], [width, height]]) | |
| // .x(x) | |
| // .y(y) | |
| // .on("brushstart", brushstart) | |
| .on("brush", brushmove) | |
| .on("end", brushend); | |
| // .on("brushend", brushend); | |
| svg.call(brush); | |
| }); | |
| function opacityFunc(d) { | |
| return d.significance <= 0.05 ? 1.0 : 0.5 * d.significance; | |
| } | |
| // var slider = svg.append("g") | |
| // .attr("class", "slider") | |
| // .attr("transform", "translate(" + margin.left + "," + 1.2 * height + ")"); | |
| // | |
| // slider.append("line") | |
| // .attr("class", "track") | |
| // .attr("x1", x.range()[0]) | |
| // .attr("x2", x.range()[1]) | |
| // .select(function() { return this.parentNode.appendChild(this.cloneNode(true)); }) | |
| // .attr("class", "track-inset") | |
| // .select(function() { return this.parentNode.appendChild(this.cloneNode(true)); }) | |
| // .attr("class", "track-overlay") | |
| // .call(d3.drag() | |
| // .on("start.interrupt", function() { slider.interrupt(); }) | |
| // .on("start drag", function() { hue(x.invert(d3.event.x)); })); | |
| // | |
| // slider.insert("g", ".track-overlay") | |
| // .attr("class", "ticks") | |
| // .attr("transform", "translate(0," + 18 + ")") | |
| // .selectAll("text") | |
| // .data(x.ticks(10)) | |
| // .enter().append("text") | |
| // .attr("x", x) | |
| // .attr("text-anchor", "middle") | |
| // .text(function(d) { return d + "°"; }); | |
| // | |
| // var handle = slider.insert("circle", ".track-overlay") | |
| // .attr("class", "handle") | |
| // .attr("r", 9); | |
| // | |
| // slider.transition() // Gratuitous intro! | |
| // .duration(750) | |
| // .tween("hue", function() { | |
| // var i = d3.interpolate(0, 70); | |
| // return function(t) { hue(i(t)); }; | |
| // }); | |
| // | |
| // function hue(h) { | |
| // handle.attr("cx", x(h)); | |
| // svg.style("background-color", d3.hsl(h, 0.8, 0.8)); | |
| // } | |
| // d3.slider().on("slide", function(evt, value) { | |
| // console.log(evt, value); | |
| // d3.select('circle').style("opacity", opacityFunc); | |
| // }); | |
| </script> | |
| </body> | |
| </html> |
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