as.lgtdl {lgtdl} | R Documentation |
as.lgtdl
coerces its argument to class lgtdl
if possible.
is.lgtdl
returns TRUE
if its argument is of class
lgtdl
and FALSE
otherwise.
as.lgtdl(x, row.names=NULL) is.lgtdl(x)
x |
An object which is coerced to a lgtdl object for
as.lgtdl or tested with is.lgtdl . |
row.names |
An optional set of row names to be used for the names
of the covariates in the resulting lgtdl object. |
is.lgtdl |
|
as.lgtdl |
{Returns an object of class lgtdl
.}
Robert Gentleman
x1<-data.frame(time=c(1,3,5), cov=c(4,6,8)) x2<-data.frame(time=c(11,13,15), interest=c(66,45,88)) x1<-as.lgtdl(x1) x2<-as.lgtdl(x2) is.lgtdl(TRUE)