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serp-statistics

Drop-in facade for CPython's statistics module, written in the Serpentine subset: the same source compiles to native code with serp and imports under CPython.

API (data is list[float])

  • mean, fmean, geometric_mean, harmonic_mean
  • median, median_low, median_high
  • variance / stdev (sample, n-1), pvariance / pstdev (population)
  • covariance(x, y), correlation(x, y)
  • quantiles(xs, n=4, method="exclusive") — "inclusive" also supported.
  • StatisticsError (ValueError subclass) with CPython's messages.

Divergences: mean/variance use float arithmetic (CPython uses exact rationals internally — last-ulp differences possible); mode/multimode/median_grouped/ NormalDist are not provided. Depends on serp-math.

Install

serp add serp-statistics
pip install serp-statistics

Metadata

Release files for serp-statistics 0.1.0

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