d3.js - D3 cross tabulation HTML table -


i'm trying create d3 cross tabulation html table (there more interactive features, first step) based on json data. can populate horizontal table header, having trouble vertical headers , data fields.

the table should following:

cross tab

my code far (jsfiddle here) is:

var nested = d3.nest()     .key(function(d) { return d._id.env; })     .entries(data.result);  console.log(nested);     var table = d3.select("#table")     .append("table")     .style("border-collapse", "collapse")     .style("border", "2px black solid");  var thead = table.append("thead");  thead.append("tr")     .selectall("th")     .data(nested)   .enter().append("th")     .text(function(d) { return d.key; });  var tbody = table.append("tbody");   var tr = tbody.selectall("tr")     .data(nested.values)            // not sure how   .enter().append("tr");  tr.selectall("td")     .data(function(d) { console.log(d); return d; })   .enter().append("td")     .text(function(d, i) { console.log(d[i]); return d; });

the raw data in following format:

{         "result" : [                 {                         "_id" : {                                 "month" : 5,                                 "day" : 6,                                 "year" : 2014,                                 "env" : "a"                         },                         "rulescore" : 83.25,                         "jsperpage" : 12,                         "cssperpage" : 4,                         "imagesperpage" : 7.75                 },                 {                         "_id" : {                                 "month" : 5,                                 "day" : 6,                                 "year" : 2014,                                 "env" : "b"                         },                         "rulescore" : 83,                         "jsperpage" : 12,                         "cssperpage" : 4,                         "imagesperpage" : 10                 },                 {                         "_id" : {                                 "month" : 5,                                 "day" : 6,                                 "year" : 2014,                                 "env" : "c"                         },                         "rulescore" : 83,                         "jsperpage" : 12,                         "cssperpage" : 5,                         "imagesperpage" : 10,                 },                 {                         "_id" : {                                 "month" : 5,                                 "day" : 6,                                 "year" : 2014,                                 "env" : "d"                         },                         "rulescore" : 83.08333333333333,                         "jsperpage" : 12,                         "cssperpage" : 6,                         "imagesperpage" : 9.25                 }         ],         "ok" : 1 }

i'm guessing pretty simple, can't head around - thanks!


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