Stacked Area Chart

This stacked area chart is constructed from a TSV file storing the market share of several popular web browsers over the last year. Data is from Clicky Web Analytics. The chart employs conventional margins and a number of D3 features:

• d3.tsv - load and parse data
• d3.timeFormat - parse dates
• d3.format - format percentages
• d3.scaleTime - x-position encoding
• d3.scaleLinear - y-position encoding
• d3.scaleOrdinal, d3.schemeCategory20 - color encoding
• d3.extent - compute domains
• d3.stack - compute stacked y-positions
• d3.axisBottom, d3.axisLeft - display axes
• d3.area - display area shape