Coerce to an object of class TDCM

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Description

Function to coerce objects of class CMM and THMM to objects of class TDCM.

Usage

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Arguments

x

Any R object.

Value

An object with two classes one being data.frame and the other TDCM.

Author(s)

Artur Araújo, Luís Meira Machado and Susana Faria

References

Cox, D.R. (1972). Regression models and life tables (with discussion). Journal of the Royal Statistical Society, Series B 34:187-220.

Jackson, C. (2007). Multi-state modelling with R: the msm package, Cambridge, U.K.

Meira-Machado, L., Cadarso-Suárez, C., De Uña- Álvarez, J., Andersen, P.K. (2009). Multi-state models for the analysis of time to event data. Statistical Methods in Medical Research 18(2):195-222.

Meira-Machado, L., Roca-Pardiñas, J. (2011). p3state.msm: Analyzing Survival Data from an Illness-Death Model. Journal of Statistical Software, 38(3): 1-18.

Therneau, T.M., Grambsch, P.M. (2000). Modelling survival data: Extending the Cox Model. New York: Springer.

See Also

as.CMM, as.THMM, genCMM, genTDCM, genTHMM.

Examples

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# generate CMM data
cmmdata <- genCMM( n=1000, model.cens="uniform", cens.par=2.5, beta=c(2,1,-1),
covar=10, rate=c(1,5,1,5,1,5) )

# coerce CMM data to TDCM data
tdcmdata0 <- as.TDCM(cmmdata)
head(tdcmdata0, n=20L)

# generate THMM data
thmmdata <- genTHMM( n=100, model.cens="uniform", cens.par=80, beta= c(0.09,0.08,-0.09),
covar=80, rate= c(0.05,0.04,0.05) )

# coerce THMM data to TDCM data
tdcmdata1 <- as.TDCM(thmmdata)
head(tdcmdata1, n=20L)