## Not run:
# ## -------- pbc data
# data(pbc, package="randomForestSRC")
# pbc$time <- pbc$days/364.25
#
# # This is the same as kaplan
# gg_dta <- gg_survival(interval="time", censor="status",
# data=pbc)
#
# plot(gg_dta, error="none")
# plot(gg_dta)
#
# # Stratified on treatment variable.
# gg_dta <- gg_survival(interval="time", censor="status",
# data=pbc, by="treatment")
#
# plot(gg_dta, error="none")
# plot(gg_dta)
#
# # ...with smaller confidence limits.
# gg_dta <- gg_survival(interval="time", censor="status",
# data=pbc, by="treatment", conf.int=.68)
#
# plot(gg_dta, error="lines")
#
# ## End(Not run)
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