| tvcov {event} | R Documentation |
tvcov(y, x, tx)
y |
Vector of times. |
x |
Vector covariate. |
tx |
Vector of times at which x changes. |
tvcov creates a vector of length sum(y) of time-varying
covariates for use with ehr. It may also be used to create
weight vectors.
J.K. Lindsey
bp, ehr,
ident, pp,
tccov, tpast,
ttime.
y <- c(5,3,2,4) x <- c(1,2,2,1,2,2,1) tx <- c(2,3,1,2,2,2,2) zcov <- tvcov(y, x, tx) zcov