residuals.rsadd: Calculate Residuals for a "rsadd" Fit
Description
Calculates partial residuals for an additive relative survival model.
Usage
## S3 method for class 'rsadd':
residuals(object,type="schoenfeld",...)
Arguments
object
an object inheriting from class rsadd, representing a
fitted additive relative survival model. Typically this is the output
from the rsadd function.
type
character string indicating the type of residual desired.
Currently only Schoenfeld residuals are implemented.
...
other arguments.
Value
A list of the following values is returned:
resa matrix containing the residuals for each variable.
varrthe variance for each residual
varr1the sum of varr.
kvarrthe derivative of each residual, to be used in rs.zph function.
kvarr1the sum of kvarr.
References
Package. Pohar M., Stare J. (2006) "Relative survival analysis in R." Computer Methods and Programs in Biomedicine, 81: 272--278
Relative survival: Pohar, M., Stare, J. (2007) "Making relative survival analysis relatively easy."
Computers in biology and medicine, 37: 1741--1749.
Goodness of fit: Stare J.,Pohar Perme M., Henderson R. (2005) "Goodness of fit of relative survival models." Statistics in Medicine, 24: 3911--3925.