Extract original data from flexsurvreg objects.

Extract the data from a model fitted with flexsurvreg.

# S3 method for flexsurvreg
model.frame(formula, ...)

# S3 method for flexsurvreg
model.matrix(object, par = NULL, ...)

Arguments

formula	A fitted model object, as returned by flexsurvreg.
...	Further arguments (not used).
object	A fitted model object, as returned by flexsurvreg.
par	String naming the parameter whose linear model matrix is desired. The default value of par=NULL returns a matrix consisting of the model matrices for all models in the object cbinded together, with the intercepts excluded. This is not really a ``model matrix'' in the usual sense, however, the columns directly correspond to the covariate coefficients in the matrix of estimates from the fitted model.

Value

model.frame returns a data frame with all the original variables used for the model fit.

model.matrix returns a design matrix for a part of the model that includes covariates. The required part is indicated by the "par" argument (see above).

See also

flexsurvreg, model.frame, model.matrix.

Author

C. H. Jackson chris.jackson@mrc-bsu.cam.ac.uk