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sum of squares #285

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ajschumacher opened this issue Sep 16, 2021 · 0 comments

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ajschumacher commented Sep 16, 2021

As in computational def…

Diminishing returns, as in CLT… understanding shape of curve

Herfindahl–Hirschman Index turns out to just be sum of squares! And it's the same for Simpson diversity index, etc.!
https://en.wikipedia.org/wiki/Herfindahl%E2%80%93Hirschman_Index

https://en.wikipedia.org/wiki/Concentration_ratio
"CR4" (for example) is just the sum of the shares of the top 4!

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