gg_conditional_surv.Rd
gg_conditional_surv
produces a KaplanMeier plot for a variety of times on
which to condition using ggplot2
gg_conditional_surv(basekm, at, main = NULL, xlab = "Years", ylab = "Survival probability", lwd = 1)
basekm 


at  vector of times on which to condition 
main  plot title 
xlab  xaxis label 
ylab  yaxis label, defaults to "Survival probability" 
lwd  plot line width, defaults to 1 
A ggplot with a line for the overall KaplanMeier plot and one
additional line for each value in at
#' @details See the vignette at http://www.emilyzabor.com/condsurv/articles/plot_cs.html for details and examples.