Matthew Conlen provides a short explainer of how kernel density estimation works. Nifty.
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How do couples meet now and how has it changed over the years? Watch the rankings play out over six decades.
First comes love, then comes marriage, then comes baby in the baby carriage. Sometimes.
After seeing a 1950s physical visualization, I wondered if I could follow a similar process using modern techniques.
Select one or more races for a quick comparison. Counties are colored by the most prevalent.
