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show_bargraph = function(datasource, title, xLabel, yLabel, yFormat, width, height) {
var margin = {top: 40, right: 20, bottom: 30, left: 40};
if (!width) {
width = 960;
}
if (!height) {
height = 500;
}
width -= margin.left + margin.right;
height -= margin.top + margin.bottom;
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
if (yFormat) {
yAxis = yAxis.tickFormat(d3.format(yFormat));
}
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong>Frequency:</strong> <span style='color:red'>" + d.y + "</span>";
})
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 + ")");
svg.call(tip);
d3.tsv(datasource, type, function(error, data) {
if (error) console.warn(error);
x.domain(data.map(function(d) { return d.x; }));
y.domain([0, d3.max(data, function(d) { return d.y; })]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append("text")
.attr("x", width / 2)
.attr("y", 30)
.style("text-anchor", "middle")
.text(xLabel);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text(yLabel);
svg.append("text")
.attr("x", (width / 2))
.attr("y", 0 - (margin.top / 2))
.attr("text-anchor", "middle")
.style("font-size", "16px")
.style("text-decoration", "underline")
.text(title);
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.x); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.y); })
.attr("height", function(d) { return height - y(d.y); })
.on('mouseover', tip.show)
.on('mouseout', tip.hide)
});
function type(d) {
d.y = +d.y;
return d;
}
};
show_piechart = function(datasource, title, yFormat, width, height) {
var margin = {top: 40, right: 20, bottom: 30, left: 40};
if (!width) {
width = 960;
}
if (!height) {
height = 500;
}
width -= margin.left + margin.right;
height -= margin.top + margin.bottom;
var width = 960,
height = 500,
radius = Math.min(width, height) / 2;
var color = d3.scale.ordinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
var arc = d3.svg.arc()
.outerRadius(radius - 10)
.innerRadius(0);
var pie = d3.layout.pie()
.sort(null)
.value(function(d) { return d.y; });
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
d3.tsv(datasource, function(error, data) {
data.forEach(function(d) {
d.y = +d.y;
});
var g = svg.selectAll(".arc")
.data(pie(data))
.enter().append("g")
.attr("class", "arc");
g.append("path")
.attr("d", arc)
.style("fill", function(d) { return color(d.data.x); });
g.append("text")
.attr("transform", function(d) { return "translate(" + arc.centroid(d) + ")"; })
.attr("dy", ".35em")
.style("text-anchor", "middle")
.text(function(d) { return d.data.x; });
});
};
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