On this Picostat.com statistics page, you will find information about the drughiv data set which pertains to data from Exercise 7.6, p222. The drughiv data set is found in the KMsurv R package. You can load the drughiv data set in R by issuing the following command at the console data("drughiv"). This will load the data into a variable called drughiv. If R says the drughiv data set is not found, you can try installing the package by issuing this command install.packages("KMsurv") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the drughiv R data set. The size of this file is about 262 bytes.

data from Exercise 7.6, p222

Description

The drughiv data frame has 34 rows and 3 columns.

Format

This data frame contains the following columns:

drug

Drug combination (1=AZT + zalcitabine, 2=AZT + zalcitabine + saquinavir)

time

Time after drug administration to CD4 count at a specified level, days

delta

Indicator of CD4 count reaching specified level (1=yes, 0=no)

Source

Klein and Moeschberger (1997) Survival Analysis Techniques for Censored and truncated data, Springer.

Examples

data(drughiv)

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Dataset imported from https://www.r-project.org.