[R] problem with survexp in survival5
Chong Gu
chong at stat.purdue.edu
Wed Apr 5 07:35:06 CEST 2000
survexp in survival5 doesn't seem to work for me. see below:
> library(survival5)
Attaching Package "package:survival5":
The following object(s) are masked from package:base :
sort.list
> library(chron)
> data(ratetables)
> survexp(~ratetable(year=julian(6,1,1991),
+ sex=1,age=35*365.24),times=(0:30)/6*365.24)
Error in as.character(as.date(c(min(R[, 3]), max(R[, 3])))) :
couldn't find function "as.date"
I got the same errors from the following platforms:
R-1.0.0, survival5_1.1-1 on AIX,
R-1.0.0, survival5_1.1-5 on linux.
Chong Gu
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