Power Analysis
==============

Sample size and power calculations for clinical trial planning. Supports t-tests, proportions, log-rank, ANOVA, non-inferiority, equivalence, crossover bioequivalence, and cluster randomized trials.

Validates against R packages: ``pwr``, ``TrialSize``, ``gsDesign``, ``PowerTOST``, ``samplesize``.

.. automodule:: pystatsbio.power
   :members:
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