Survr is an S3 class that represents
formula response for recurrent event data
modeled by methods based on counts and rate function.
The last letter 'r' in 'Survr' represents 'rate'.
Survr(ID, time, event)Survr in package
survrec but with a better embedded checking procedure for
recurrent event data modeled by methods
based on counts and rate function.
The checking rules include that
rateReg for model fitting.