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surrosurvo package

Evaluation of Individual-Level Surrogacy for Survival and Ordinal Endpoints

An implementation of Kendall’s rank correlation coefficient for survival and ordinal endpoints:

  • Oakes D. A model for association in bivariate survival data. Journal of the Royal Statistical Society: Series B (Methodological) 1982; 44(3): 414–422. doi:10.1111/j.2517-6161.1982.tb01222.x.
  • Lakhal L, Rivest L-P, Beaudoin D. IPCW estimator for Kendall’s tau under bivariate censoring. International Journal of Biostatistics 2009; 5(1): Article 8. doi:10.2202/1557-4679.1121.
  • Okui J, Nagashima K, Matsuda S, et al. Surrogacy between pathological complete response and overall survival: An individual patient data analysis of ten RCTs on neoadjuvant treatment plus surgery for esophageal cancer. In preparation (2024+).

URL: https://nshi-stat.github.io/surrosurvo/

Installation 

# The development version from GitHub:
# install.packages("devtools")
devtools::install_github("nshi-stat/surrosurvo")

# From CRAN (will be released):
# install.packages("surrosurvo")