Stacked Bar Chart w/ CSV- V4- Fully Commented
A stacked bar chart displays the distribution of eight age groups (0-10 through 71+) across five ethnic categories from a CSV dataset. The chart uses a single stacked bar per ethnicity, with each segment colored via `d3.scaleOrdinal` and `d3.schemeCategory20`. The x-axis uses `d3.scaleBand` for categorical spacing, while the y-axis uses `d3.scaleLinear` with a `d3.stack` layout to compute segment heights. Data is loaded and parsed with `d3.csv`, and the bars are rendered as SVG rectangles, with margins applied via a transform. The visualization is fully commented, explaining each D3 v4 API call.
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forked from <a href='http://bl.ocks.org/sbrreed/'>sbrreed</a>'s block: <a href='http://bl.ocks.org/sbrreed/e53f433b61e88dd5b0784b0a2293eb6b'>Stacked Bar Chart w/ CSV- V4- Fully Commented</a>