menstrualcycleR is a package for preparing longitudinal menstrual cycle data for nonlinear continuous data analysis. It implements Phase-Aligned Cycle Time Scaling (PACTS), the first hormonally-validated cycle standardization method.
endocrinology ovulation gynecology estrogen progesterone menstrual-cycle generalized-additive-mixed-models premenstrual-dysphoric-disorder premenstrual-syndrome menstrual-migraine catamenial-epilepsy
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Updated
Aug 31, 2026 - R