LFC Seasons by Week

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.min.js"></script>
  <style>
    body { 
      margin:0;
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      left:0;
      font: 10px sans-serif;
    }
    
    .axis path,
    .axis line {
      fill: none;
      stroke: #000;
      shape-rendering: crispEdges;
    }

.dot {
      stroke: rgba(0,0,0,.25);
    }
    
    .tooltip {
      position: absolute;
      width: 45px;
      height: 24px;					
    	padding: 2px;
      background: white;
      pointer-events: none;
    }
  </style>
</head>

<body>
  <script>
var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);

var color = d3.scale.category10();

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");
    
// Define the div for the tooltip
var div = d3.select("body").append("div")	
    .attr("class", "tooltip")				
    .style("opacity", 0);

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("seasonData.csv", function(error, data) {
  if (error) throw error;

x.domain([1,42]);
  y.domain([0,90]);
  
     var nestData = d3.nest()
      .key(function(d) { return +d.week; })
      .rollup(function(values) { return {
        first: d3.quantile(values.map(function(d) { return +d.points;}).sort(d3.ascending),.20),
        avg: d3.mean(values, function(d) {return +d.points; }),
        last: d3.quantile(values.map(function(d) { return +d.points;}).sort(d3.ascending),.80),
        avgWeek: d3.mean(values, function(d) {return +d.week; })
      	}; 
      })
      .entries(data);            
console.log(nestData);
             //Draw line

svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
    .append("text")
      .attr("class", "label")
      .attr("x", width)
      .attr("y", -6)
      .style("text-anchor", "end")
      .text("Week");

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("class", "label")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Points")

});
    
d3.csv("seasonData.csv", function(error, data) {
  if (error) throw error;

data.forEach(function(d) {
    d.week = +d.week;
    d.points = +d.points;
  });

svg.selectAll(".dot")
      .data(data)
    .enter().append("circle")
      .attr("class", "dot")
      .attr("r", 3.5)
      .attr("cx", function(d) { return x(d.week); })
      .attr("cy", function(d) { return y(d.points); })
      .style("fill", function(d) {if (d.season == "16-17") {return "#ac0000";} else {return "rgba(0,0,0,0)";}; })
  		.on("mouseover", function(d) {
          div.transition()
               .duration(200)
               .style("opacity", .9);
          div.html("Week " + d.week + "<br/>" + d.season + ": " + d.points)
               .style("left", (d3.event.pageX + 10) + "px")
               .style("top", (d3.event.pageY - 10) + "px");
      })
      .on("mouseout", function(d) {
          div.transition()
               .duration(500)
               .style("opacity", 0);
      });;

});

</script>
</body>

https://d3js.org/d3.v3.min.js