ocarcinoma {coin} | R Documentation |
Survival times of 35 women suffering ovarian carcinoma at stadium II and IIA.
data("ocarcinoma")
A data frame with 35 observations on the following 3 variables.
time in days.
censoring indicator: FALSE
means
censored, TRUE
is an event.
a factor with levels II
and IIA
.
Data from Fleming et al. (1980, 1984), reanalysed in Schumacher and Schulgen (2002).
Thomas R. Fleming, Judith R. O'Fallon, Peter C. O'Brien \& David P. Harrington (1980). Modified Kolmogorov-Smirnov test procedures with applications to arbitrarily censored data. Biometrics 36, 607–625.
Thomas R. Fleming, Stephanie J. Green \& David P. Harrington (1984). Considerations of monitoring and evaluating treatment effects in clinical trials. Controlled Clinical Trials 5, 55–66.
Martin Schumacher & Gabi Schulgen (2002), Methodik klinischer Studien: Methodische Grundlagen der Planung, Durchf\"uhrung und Auswertung. Springer, Heidelberg.
### logrank test with exact two-sided p-value lrt <- surv_test(Surv(time, event) ~ stadium, data = ocarcinoma, distribution = "exact") ### the test statistic statistic(lrt) ### p-value pvalue(lrt)