Sample survival data with additional effects (other than age and time).
An artificial sample of individual observations of survival times along with two additional effects (fictive covariates).
tab
Object of class data.frame
The data set contains the following named columns of fictive individual survival records: - 'refno' = unique reference numbers; - 'dob' = Julian date corresponding to the date of birth (or origin) of the survival time; - 'dev' = Julian date corresponding to date of event (or end) of the survival time. - 'event' = binary value corresponding to the survival event (1 - fail/death or 0 - survive); - 'cov1' = first additional covariate with 13 levels; - 'cov1' = second additional covariate with 4 levels;
NA
# print out the first 10 observations:
tab[1:10,]
# sub-group by a single additional covariate and merge ages above 95:
mdat <- rhdata(tab, covar=c('cov2'), xbreaks=c(40:95, 105), xlabels=c(40:94, '95>'),
ybreaks=mdy.date(1,1,2000:2007), ylabels=2000:2006, name='M', label='CMI')
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