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Association Rules for Data Scientist skills
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| source | target | value | |
|---|---|---|---|
| Hive | SQL | 0.755102040816 | |
| MatLab | Python | 0.875 | |
| Hive | Python | 0.734693877551 | |
| STATA | SQL | 0.761904761905 | |
| R | Python | 0.70618556701 | |
| STATA | Python | 0.714285714286 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script src="http://d3js.org/d3.v3.js"></script> | |
| <style> | |
| path.link { | |
| fill: none; | |
| stroke: #666; | |
| stroke-width: 1.5px; | |
| } | |
| circle { | |
| fill: #ccc; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| } | |
| text { | |
| fill: #000; | |
| font: 20px sans-serif; | |
| font-weight:bold; | |
| pointer-events: none; | |
| } | |
| #tooltip { | |
| position: absolute; | |
| width: 220px; | |
| height: auto; | |
| padding: 10px; | |
| background-color: yellow; | |
| -webkit-border-radius: 10px; | |
| -moz-border-radius: 10px; | |
| border-radius: 10px; | |
| -webkit-box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); | |
| -moz-box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); | |
| box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.4); | |
| pointer-events: none; | |
| } | |
| #tooltip.hidden { | |
| display: none; | |
| } | |
| #tooltip p { | |
| margin: 0; | |
| font-family: sans-serif; | |
| font-size: 16px; | |
| line-height: 20px; | |
| } | |
| </style> | |
| <body> | |
| <div id="tooltip" class="hidden"> | |
| <p><strong></strong></p> | |
| <p><span id="value">1</span></p> | |
| </div> | |
| <script> | |
| // get the data | |
| d3.csv("arules.csv", function(error, links) { | |
| var nodes = {}; | |
| // Compute the distinct nodes from the links. | |
| links.forEach(function(link) { | |
| link.source = nodes[link.source] || | |
| (nodes[link.source] = {name: link.source}); | |
| link.target = nodes[link.target] || | |
| (nodes[link.target] = {name: link.target}); | |
| link.value = +link.value; | |
| }); | |
| var width = 960, | |
| height = 500; | |
| var force = d3.layout.force() | |
| .nodes(d3.values(nodes)) | |
| .links(links) | |
| .size([width, height]) | |
| .linkDistance(250) | |
| .charge(-400) | |
| .on("tick", tick) | |
| .start(); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("svg:defs").selectAll("marker") | |
| .data(["end"]) | |
| .enter().append("svg:marker") | |
| .attr("id", String) | |
| .attr("viewBox", "0 -5 10 10") | |
| .attr("refX", 15) | |
| .attr("refY", -1.5) | |
| .attr("markerWidth", 6) | |
| .attr("markerHeight", 6) | |
| .attr("orient", "auto") | |
| .append("svg:path") | |
| .attr("d", "M0,-5L10,0L0,5"); | |
| var path = svg.append("svg:g").selectAll("path") | |
| .data(force.links()) | |
| .enter() | |
| .append("svg:path") | |
| .attr("class", function(d) { return "link " + d.type; }) | |
| .attr("class", "link") | |
| .attr("marker-end", "url(#end)") | |
| .on("mouseover", function(d) { | |
| d3.select("#tooltip") | |
| .select("#value") | |
| .text(d3.round(d.value*100, 2)+"%"); | |
| d3.select("#tooltip").classed("hidden", false); | |
| }) | |
| .on("mouseout", function(d) { | |
| d3.select("#tooltip").classed("hidden", true); | |
| }); | |
| var node = svg.selectAll(".node") | |
| .data(force.nodes()) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .call(force.drag); | |
| node.append("circle") | |
| .attr("r", 10) | |
| .style("fill","blue") | |
| .style("opacity",0.5); | |
| // add the text | |
| node.append("text") | |
| .attr("x", 12) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name; }); | |
| // add the curvy lines | |
| function tick() { | |
| path.attr("d", function(d) { | |
| var dx = d.target.x - d.source.x, | |
| dy = d.target.y - d.source.y, | |
| dr = Math.sqrt(dx * dx + dy * dy); | |
| return "M" + | |
| d.source.x + "," + | |
| d.source.y + "A" + | |
| dr + "," + dr + " 0 0,1 " + | |
| d.target.x + "," + | |
| d.target.y; | |
| }); | |
| node | |
| .attr("transform", function(d) { | |
| return "translate(" + d.x + "," + d.y + ")"; }); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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