Time to Hire

Each colored bar represents a different step / stage in the hiring process

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width: 100%; height: 100%; }
    a {position: absolute; right: 15px; padding: 5px; border-bottom: 3px solid black; cursor: pointer;}
  </style>
</head>

<body>
  <a onclick="toggleStage();">Toggle</a>
  <script>
    var colors = d3.scale.category20c();
    var TIME = [
      {
        "team": "Engineering",
        "stages": [
          {"text": "New applicant", "days": 35, "candidates": 11156},
          {"text": "New lead", "days": 180, "candidates": 1503},
          {"text": "Recruiter Screen", "days": 32, "candidates": 1230},
          {"text": "Phone Interview", "days": 25, "candidates": 1322},
          {"text": "2nd Phone Interview", "days": 8, "candidates": 13},
          {"text": "Initial Onsite", "days": 29, "candidates": 176},
          {"text": "Homework", "days": 16, "candidates": 240},
          {"text": "On-site interview", "days": 34, "candidates": 540},
          {"text": "Offer", "days": 31, "candidates": 179}
        ]
      },
      {
        "team":   "Marketing",
        "stages": [
          {"text": "New applicant", "days": 38, "candidates": 4317},
          {"text": "New lead", "days": 26, "candidates": 575},
          {"text": "Recruiter Screen", "days": 25, "candidates": 584},
          {"text": "Phone Interview", "days": 25, "candidates": 378},
          {"text": "2nd Phone Interview", "days": 14, "candidates": 14},
          {"text": "Initial Onsite", "days": 35, "candidates": 113},
          {"text": "Homework", "days": 28, "candidates": 197},
          {"text": "On-site interview", "days": 21, "candidates": 69},
          {"text": "Offer", "days": 106, "candidates": 80}
        ]
      },
      {
        "team":   "Operations",
        "stages": [
          {"text": "New applicant", "days": 46, "candidates": 5427},
          {"text": "New lead", "days": 42, "candidates": 586},
          {"text": "Recruiter Screen", "days": 37, "candidates": 435},
          {"text": "Phone Interview", "days": 22, "candidates": 340},
          {"text": "2nd Phone Interview", "days": 11, "candidates": 22},
          {"text": "Initial Onsite", "days": 35, "candidates": 166},
          {"text": "Homework", "days": 12, "candidates": 73},
          {"text": "On-site interview", "days": 24, "candidates": 87},
          {"text": "Offer", "days": 18, "candidates": 53}
        ]
      },
      {
        "team":   "Creative",
        "stages": [
          {"text": "New applicant", "days": 190, "candidates": 1286},
          {"text": "New lead", "days": 23, "candidates": 168},
          {"text": "Recruiter Screen", "days": 78, "candidates": 152},
          {"text": "Phone Interview", "days": 42, "candidates": 49},
          {"text": "2nd Phone Interview", "days": 0, "candidates": 0},
          {"text": "Initial Onsite", "days": 83, "candidates": 46},
          {"text": "Homework", "days": 18, "candidates": 11},
          {"text": "On-site interview", "days": 56, "candidates": 17},
          {"text": "Offer", "days": 19, "candidates": 6}
        ]
      },
      {
        "team":   "Support",
        "stages": [
          {"text": "New applicant", "days": 14, "candidates": 2423},
          {"text": "New lead", "days": 33, "candidates": 209},
          {"text": "Recruiter Screen", "days": 13, "candidates": 212},
          {"text": "Phone Interview", "days": 38, "candidates": 56},
          {"text": "2nd Phone Interview", "days": 0, "candidates": 0},
          {"text": "Initial Onsite", "days": 18, "candidates": 144},
          {"text": "Homework", "days": 5, "candidates": 239},
          {"text": "On-site interview", "days": 13, "candidates": 71},
          {"text": "Offer", "days": 24, "candidates": 23}
        ]
      },
      {
        "team":   "People",
        "stages": [
          {"text": "New applicant", "days": 30, "candidates": 3182},
          {"text": "New lead", "days": 31, "candidates": 369},
          {"text": "Recruiter Screen", "days": 19, "candidates": 332},
          {"text": "Phone Interview", "days": 14, "candidates": 117},
          {"text": "2nd Phone Interview", "days": 7, "candidates": 1},
          {"text": "Initial Onsite", "days": 21, "candidates": 173},
          {"text": "Homework", "days": 4, "candidates": 8},
          {"text": "On-site interview", "days": 32, "candidates": 81},
          {"text": "Offer", "days": 17, "candidates": 27 }
        ]
      },
      {
        "team":   "Finance",
        "stages": [
          {"text": "New applicant", "days": 168, "candidates": 1083},
          {"text": "New lead", "days": 7, "candidates": 60},
          {"text": "Recruiter Screen", "days": 23, "candidates": 59},
          {"text": "Phone Interview", "days": 49, "candidates": 37},
          {"text": "2nd Phone Interview", "days": 0, "candidates": 0},
          {"text": "Initial Onsite", "days": 43, "candidates": 32},
          {"text": "Homework", "days": 2, "candidates": 8},
          {"text": "On-site interview", "days": 136, "candidates": 13},
          {"text": "Offer", "days": 53, "candidates": 5}
        ]
      },
      {
        "team":   "Legal",
        "stages": [
          {"text": "New applicant", "days": 11, "candidates": 1055},
          {"text": "New lead", "days": 8, "candidates": 154},
          {"text": "Recruiter Screen", "days": 6, "candidates": 134},
          {"text": "Phone Interview", "days": 16, "candidates": 102},
          {"text": "2nd Phone Interview", "days": 0, "candidates": 0},
          {"text": "Initial Onsite", "days": 31, "candidates": 59},
          {"text": "Homework", "days": 0, "candidates": 5},
          {"text": "On-site interview", "days": 19, "candidates": 25},
          {"text": "Offer", "days": 34, "candidates": 10}
        ]
      },
    ]

var margin = {top: 0, right: 0, bottom: 0, left: 0};
    var width = 960 - margin.left - margin.right;
    var height = 500 - margin.top - margin.bottom;
    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 + ")")
      .attr('id', 'transformGroup')

// Get max time
    var totals = {};
    totals.days = TIME.reduce(function(prevMax, currentTeam){
      var currentDays = currentTeam.stages.reduce(function(pv, stage){return pv + stage.days;},0);
      return Math.max(prevMax, currentDays);
    },0)
    totals.candidates = TIME.reduce(function(prevMax, currentTeam){
      var currentCandidates = currentTeam.stages.reduce(function(pv, stage){return pv + stage.candidates;},0);
      return Math.max(prevMax, currentCandidates);
    },0)

// INITIAL RENDER
    TIME.forEach(function(team, idx){
      team.stages.forEach(function(currentStage, jdx){
        totals[currentStage.text + '-days'] = Math.max((totals[currentStage.text + '-days']||0), currentStage.days)
        totals[currentStage.text + '-candidates'] = Math.max((totals[currentStage.text + '-candidates']||0), currentStage.candidates)

if (jdx === 0){
          TIME[idx].stages[jdx].cumulDays = 0;
          TIME[idx].stages[jdx].cumulCandidates = 0;
        } else {
          var prevConversion = TIME[idx].stages[jdx - 1];
          TIME[idx].stages[jdx].cumulDays = prevConversion.cumulDays + prevConversion.days;
          TIME[idx].stages[jdx].cumulCandidates = prevConversion.cumulCandidates + prevConversion.candidates;
        }
      })
      // console.log(totals.days, team.stages[team.stages.length-1].cumulDays + team.stages[team.stages.length-1].days)

d3.select('#transformGroup').append('g').attr('class', team.team)
        .selectAll('rect').data(team.stages).enter().append('rect')
        .attr({
          width: function(d){return width * d.days/totals.days;},
          x: function(d){
            var barWidth = width * d.cumulDays/totals.days;
            return barWidth;
          },
          height: height * 1 / TIME.length,
          y: function(d, i){
            var barHeight = height * idx / TIME.length;
            return barHeight;
          },
          stroke: 'black',
          'stroke-width': 1
        })
        .style({
          fill: function(d,i){ return colors(i)}, 
          opacity: 0.2
        })
      
      // APPEND TEAM TEXT
      var teamTotalDays = team.stages[team.stages.length - 1].cumulDays + team.stages[team.stages.length - 1].days
      d3.select('.' + team.team).append('text')
        .text(team.team + ': ' + teamTotalDays + ' days')
        .attr({
          x: 0,
          y: function(d){
            var barHeight = height * idx / TIME.length;
            return barHeight + 14;
          }
        })
    })

var scaleStage = true; 
    function toggleStage(){
      scaleStage = !scaleStage;

TIME.forEach(function(team, idx){
        
        d3.select('.' + team.team).selectAll('rect').data(team.stages)
          .transition().duration(1000)
          .attr({
            width: function(d){
              if (scaleStage){
                return width * d.days/totals.days;
              } else {
                return (width * 1/(TIME.length + 1)) * d.days / totals[d.text + '-days'];
              }
            },
            x: function(d, i){
              if (scaleStage){
                var barWidth = width * d.cumulDays/totals.days;
                return barWidth;
              } else {
                return width * i/(TIME.length + 1);
              }
            }
          })
      })
    }
  </script>
</body>

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