r-skpr (conda): Generates and evaluates D, I, A, Alias, E, T, G, and custom optimal designs. Supports generation and evaluation of mixture and split/split-split/N-split plot designs. Includes parametric and Monte Carlo power evaluation functions. Provides a framework to evaluate power using functions provided in other packages or written by the user. 
Keywords: design-of-experiments|linear-models|linear-regression|monte-carlo|optimal-designs|power|r|rstats|split-plot-designs|survival-analysis