279 lines
9.0 KiB
JavaScript
279 lines
9.0 KiB
JavaScript
// Set the dimensions office the canvas / graph
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var margin = {top: 50, right: 150, bottom: 50, left: 100},
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width = 1000 - margin.left - margin.right,
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height = 500 - margin.top - margin.bottom;
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// Parse the date / time
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var parseDate = d3.timeParse("%Y-%0m-%0d");
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var formatDate = d3.timeFormat("%b %y");
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// Function to convert data from wide to long
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function transformData(dataset) {
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var newData = [];
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dataset.forEach(function(d) {
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for (key in d) {
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if (key !== 'date' && newData.indexOf(key) === -1) {
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newData.push({
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name: key,
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value: d[key],
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date: d.date
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});
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}
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}
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});
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return newData;
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}
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// Define Color Scheme
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var color = d3.scaleOrdinal(d3.schemeCategory10);
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// Define Ranges
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var x = d3.scaleTime().range([0, width]);
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var y = d3.scaleLinear().range([height, 0]);
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var valueline = d3.line()
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.x(function(d) { return x(d.date); })
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.y(function(d) { return y(d.count); });
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// append the svg obgect to the body of the page
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// appends a 'group' element to 'svg'
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// moves the 'group' element to the top left margin
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var svg2 = d3.select("#Ratings_Rankings").append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform",
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"translate(" + margin.left + "," + margin.top + ")");
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// Define Legend
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var legend = svg2.append("g")
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.attr("class", "legend")
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.attr("height", 100)
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.attr("width", 100)
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.attr('transform', 'translate(60,10)');
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// Load data
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d3.dsv(",", "boardgame_ratings.csv", function (d) {
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return {
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date: parseDate(d.date),
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"Catan=count": +d["Catan=count"],
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"Dominion=count": +d["Dominion=count"],
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"Codenames=count": +d["Codenames=count"],
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"Terraforming Mars=count": +d["Terraforming Mars=count"],
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"Gloomhaven=count": +d["Gloomhaven=count"],
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"Magic: The Gathering=count": +d["Magic: The Gathering=count"],
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"Dixit=count": +d["Dixit=count"],
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"Monopoly=count": +d["Monopoly=count"],
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"Catan=rank": +d["Catan=rank"],
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"Dominion=rank": +d["Dominion=rank"],
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"Codenames=rank": +d["Codenames=rank"],
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"Terraforming Mars=rank": +d["Terraforming Mars=rank"],
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"Gloomhaven=rank": +d["Gloomhaven=rank"],
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"Magic: The Gathering=rank": +d["Magic: The Gathering=rank"],
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"Dixit=rank": +d["Dixit=rank"],
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"Monopoly=rank": +d["Monopoly=rank"]
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}
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}).then(function (data)
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{
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console.log(data); // you should see the data in your browser's developer tools console
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// Transform data - convert from wide to long
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new_data = transformData(data);
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console.log(new_data);
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countData = [];
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rankData = [];
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// Separate the count and the rank
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new_data.forEach(function(d) {
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game_name = d.name.split("=")[0]
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value = d.name.split("=")[1]
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if (value === 'count') {
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countData.push({
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name: game_name,
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count: +d.value,
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date: +d.date
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});
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}
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if (value === 'rank') {
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rankData.push({
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name: game_name,
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rank: +d.value,
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date: +d.date
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});
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}
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});
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// Combine into 1 array
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finalData = [];
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for(var i = 0; i < countData.length; i++){
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game_name = countData[i].name
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date_count = countData[i].date
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filtered = rankData.filter(function(d){ return d.name == game_name & d.date == date_count})
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finalData.push({
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name: game_name,
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count: +countData[i].count,
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rank: +filtered[0].rank,
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date: date_count
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}); // end push
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} //end for loop
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console.log(finalData)
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// Scale the range of the data
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x.domain(d3.extent(finalData, function(d) { return d.date; }));
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y.domain([0, d3.max(finalData, function(d) { return d.count; })]);
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// Loop through data to add lines
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var dataNest = d3.nest()
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.key(function(d) {return d.name;})
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.entries(finalData);
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console.log(dataNest)
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dataNest.forEach(function(d) {
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game_name = d.key
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colour_line = color(game_name)
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console.log(game_name)
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// Add lines
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svg2.append("path")
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.attr("class", "line")
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.style("stroke", function() { // Add the colours dynamically
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return d.color = color(d.key); })
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.attr("d", valueline(d.values));
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// Add label at end
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svg2.append("text")
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.attr("text-anchor", "start")
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.style("fill", function() { // Add the colours dynamically
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return d.color = color(d.key); })
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.text(d.key)
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.attr("transform", "translate(" + (width+3) + "," + y(d.values[d.values.length-1].count) + ")")
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if (game_name == "Catan" | game_name == "Codenames" | game_name == "Terraforming Mars" | game_name == "Gloomhaven") {
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// Add dots
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var g = svg2.selectAll(null)
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.data(d.values)
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.enter()
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.append("g")
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g.append("circle")
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.attr("class", "dot"+i)
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.attr("cx", function(d,i) { if ((i-2) % 3 == 0){
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return x(d.date)
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} //end if
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})
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.attr("cy", function (d,i) { if ((i-2) % 3 == 0){
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return y(d.count)
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} //end if
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})
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.attr("r", 11)
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.style("fill", function() { // Add the colours dynamically
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return d.color = color(d.key); })
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g.append("text")
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.data(d.values)
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.attr("text-anchor", "middle")
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.attr("x", function(d,i) { if ((i-2) % 3 == 0){
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return x(d.date)
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} //end if
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})
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.attr("y", function (d,i) { if ((i-2) % 3 == 0){
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return y(d.count)+2
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} //end if
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})
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.text(function (d,i) { if ((i-2) % 3 == 0){
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return d.rank
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} //end if
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})
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.style("font-size", "9px")
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.style('text-anchor', 'middle')
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.style("fill", "white")
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} // End if
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}); // end dataNest
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// Add the X Axis
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svg2.append("g")
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.attr("class", "axis")
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.attr("transform", "translate(0," + height + ")")
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.call(d3.axisBottom(x).tickFormat(formatDate));
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// Add the X axis label
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svg2.append("text")
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.attr("class", "x label")
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.style("text-anchor", "middle")
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.attr("x", width/2)
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.attr("y", height + margin.bottom)
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.text("Month");
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// Add the Y Axis
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svg2.append("g")
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.attr("class", "axis")
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.call(d3.axisLeft(y));
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// Add the Y Axis Label
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svg2.append("text")
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.attr("class", "y label")
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.attr("text-anchor", "end")
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.attr("y", 0 - margin.bottom)
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.attr("x",0 - (height / 2))
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.attr("transform", "rotate(-90)")
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.text("Num of Ratings");
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// Add the Chart Title
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svg2.append("text")
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.attr("x", (width / 2))
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.attr("y", 0 - (margin.top / 2))
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.attr("text-anchor", "middle")
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.style("font-size", "16px")
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.style("font-weight", "bold")
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.text("Number of Ratings 2016-2020 with Rankings");
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// Add circle to legend
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legend.append('circle')
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.attr('cx', width)
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.attr('cy', height - 50)
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.attr('r', '11')
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.style("stroke", "black")
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.style("fill", "black");
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legend.append('text')
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.attr('x', width)
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.attr('y', height - 47)
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.text('rank')
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.style("font-size", "9px")
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.style('text-anchor', 'middle')
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.style("fill", "white")
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legend.append('text')
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.attr('x', width)
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.attr('y', height - 30)
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.text('BoardGameGeek Rank')
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.style("font-size", "10px")
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.style("font-weight", "bold")
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.style('text-anchor', 'middle')
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.style("fill", "black")
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});
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