dblock / excalc-rs / 36030824115

98%

Build Type

push

github

Committed by dblock

Commit Message

Add skewness and kurtosis statistics functions

skewness(...) computes population skewness (third standardized
moment): positive for a right-skewed (long right tail) distribution,
negative for left-skewed, 0 for symmetric data. kurtosis(...) computes
population excess kurtosis (fourth standardized moment minus 3), where
0 matches the normal distribution's tailedness. Both error on
zero-variance (constant) input, since standardizing requires dividing
by the standard deviation.

Function count 206 -> 208.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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