is.Survrecu {newTestSurvRec}

This function verify if the formula type of survival recurrent is object type newTestSurvRec

Description

To verify if the create object type Survrecu is a formula model type newTestSurvRec

Usage

is.Survrecu(x)

Arguments

x

Object type formula of the class newTestSurvRec

Value

False

if the object is not type formula

True

if the object is type formula

Author(s)

Dr. Carlos M. Martinez M., <[e-mail]>

References

Martinez, C. (2009). Generalizacion de algunas pruebas clasicas de comparacion de curvas de supervivencia al caso de eventos de naturaleza recurrente. Tesis doctoral. Universidad Central de Venezuela (UCV). Caracas-Venezuela.// Pena E., Strawderman R., Hollander, M. (2001). Nonparametric Estimation with Recurrent Event Data. J.A.S.A. 96, 1299-1315

See Also

FitSurvRec, Dif.Surv.Rec, Survrecu, FitSurvRec

Examples

data(MMC.TestSurvRec)
x<-Survrecu(MMC.TestSurvRec$id,MMC.TestSurvRec$time,MMC.TestSurvRec$event)~1
is.Survrecu(x)