Sample Size Calculation using Restricted Mean Survival Time

Calculates the power and sample size based on the difference in Restricted Mean Survival Time.


SSRMST 0.1.1

Minor improvements

  • Added shape0 and shape1 in ssrmst(): Shape parameters for the Weibull distribution in both arms.
  • Added ac_number in ssrmst(). In addition to the approach for accrual information in the previous version, another two approaches are now available.
  • The powers based on separate and pooled variances are now calculated.

SSRMST 0.1.0

  • Initial release

Reference manual

It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.


0.1.1 by Miki Horiguchi, 4 years ago

Browse source code at

Authors: Miki Horiguchi , Hajime Uno

Documentation:   PDF Manual  

Task views: Survival Analysis

GPL-2 license

Imports survival, survRM2

Suggests knitr, rmarkdown

See at CRAN