Bham block 1

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Last edited Sep 10, 2017

Created on Sep 9, 2017

A scatterplot of Gapminder data shows average GDP per capita against life expectancy for each country, with circle size encoding population and color indicating the region. The visualization uses D3 v4 to load the CSV and append SVG circles, scaling positions with `d3.scaleLinear` for the x- and y-axes and determining radius from the raw population value. Country labels and axis annotations are commented out, leaving the bare plot unadorned.

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