R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'lrstat'

lrstat::direct_approximation_vs_schoenfeld |  | Comparing Direct Approximation and Schoenfeld Methods | HTML | source | R code
lrstat::fixed_follow-up |  | Sample Size Calculation With Fixed Follow-up | HTML | source | R code
lrstat::group_sequential_simulation |  | Simulation for Group Sequential Trials | HTML | source | R code
lrstat::maxcombo |  | Power Calculation Using Max-Combo Tests | HTML | source | R code
lrstat::non-proportional_hazards |  | Sample Size Calculation Under Non-Proportional Hazards | HTML | source | R code
lrstat::stratified |  | Power Calculation With Stratification Variables | HTML | source | R code