This function is invoked and controlled by plot.prodlim.

markTime(x, times, nlost, pch, col, ...)

Arguments

x

The values of the curves at times.

times

The times where there curves are plotted.

nlost

The number of subjects lost to follow-up (censored) at times.

pch

The symbol used to mark the curves.

col

The color of the symbols.

...

Arguments passed to points.

Value

Nil

Details

This function should not be called directly. The arguments can be specified as atRisk.arg in the call to plot.prodlim.

Author

Thomas Alexander Gerds <tag@biostat.ku.dk>