Radial Chart

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Last edited Oct 19, 2016

Created on Oct 19, 2016

A radial bar chart displays the relative frequency of letters A through Z from a CSV dataset. Each letter occupies an equal angular segment, with the bar's outer radius proportional to its frequency value. The visualization uses D3 v3 to bind data to SVG path elements, computing arc geometry via `d3.svg.arc`. A linear scale maps data extents to bar lengths, while text labels are positioned along a circular path using `textPath` with a generated arc. The chart is rendered statically, with no animation or interaction implemented.

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