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Smoothed Daily Coronavirus Deaths Line Chart

✓ Published6🌍 Public
CCurran Kelleher
Last edited Sep 28, 2020
Created on Jun 8, 2020

This chart plots smoothed daily coronavirus deaths over time for the top 50 countries by cumulative deaths, using a logarithmic y-axis to reveal relative trends across widely varying scales. The React app renders SVG lines with D3 scales and generators, while a D3-Delaunay Voronoi overlay enables hover interaction, highlighting the nearest data point and its corresponding country line with a tooltip. Data comes from the Johns Hopkins COVID-19 dataset, and daily values are smoothed via repeated averaging (15 iterations) before plotting.

AI-generated description

Line chart of Coronavirus cases to date, by country. Data from Johns Hopkins Coronavirus Dataset.

Hover to see details and illuminate lines.

This variant shows daily death numbers, smoothed using the repeated averaging technique described in D3: Histogram Blur / Smoothing, for the top 20 countries by cumulative deaths.

MIT Licensed

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