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Exercise: Module 5

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Aaimbellone
Last edited Apr 14, 2015
Created on Apr 14, 2015

A scatterplot displays the percentage of single and divorced residents against the percentage of married and widowed residents across Rome’s districts in 2011, with each circle representing a district and hover tooltips revealing detailed marital-status breakdowns. The visualization uses D3 v3 with SVG rendering, employing `d3.scale.linear`, `d3.svg.axis`, and `d3.csv` to load and plot data from the Rome Municipality. Circle positions are computed from CSV columns for single, married, widowed, and divorced counts, with axes formatted as percentages and a hover effect that changes circle color to orange.

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A bar chart shows the percentage of divorced people in each Rome district for 2011, with hover highlighting and tooltips displaying exact counts and percentages. The visualization uses d3.csv to load the dataset, d3.scale.linear for the x-axis width, d3.scale.ordinal with rangeRoundBands for the y-axis categories, and d3.svg.axis for both axes. Rectangles are rendered in SVG and colored steelblue, while the x-axis tick format is set to percentages. Data originates from the Rome Municipality and includes notes about district changes.

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