# Planning and Analysing Survival Studies under Non-Proportional Hazards

## Documentation for package ‘nph’ version 2.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

logrank.maxtest | Maximum log-rank test
logrank.test | Weighted log-rank test
m2r | Transform median time into rate
nph_gui | Launch a GUI (shiny app) for the nph package
pchaz | Calculate survival for piecewise constant hazard
plot.mixpch | Plot mixpch Objects
plot_diagram | Draw a state space figure
plot_shhr | Plot of survival, hazard and hazard ratio of two groups as a function of time
plot_subgroups | Draw a population composition plot
pop_pchaz | Calculate survival for piecewise constant hazards with change after random time and mixture of subpopulations
print.wlogrank | Weighted log-rank test
print.wlogrank_max | Maximum log-rank test
rSurv_conditional_fun | Draw conditional random survival times from mixpch object.
rSurv_fun | Draw random survival times from mixpch object.
sample_conditional_fun | Draw conditional survival times based on study settings
sample_fun | Draw survival times based on study settings
subpop_pchaz | Calculate survival for piecewise constant hazards with change after random time