Group T Status              Dear R users. I am trying to program the comp()
routine in package survMisc.

   1 2081 0                      I am reading the data on the left with
d=read.table( "C:\\e.t.c",fill=TRUE,header=TRUE)
   1 1602 0                     Then I load the packages 'survival' and
'survMisc', library(survival), library(survMisc)
   1 1496 0                     and I run the commands
   1 1462 0                                      s=survfit(Surv(d[,2],
d[,3])~d[,1], data=d)
   1 1433 0                                      comp(s)

   1 1377 0                     and I am getting the error
   1 1330 0                                       Error in get(t1, loc1) :
object 'd[, 2]' not found
   1  996 0                     If instead I use the commands
   1  226 0                                        s=survfit(Surv(T,
Status)~Group, data=d)
   1 1199 0                                       comp(s)

   1 1111 0                    routine comp()  runs perfectly. However when
I am programing I can't see a way to know
   1  530 0                     in advance the variable names in order to
use them.
   1 1182 0                    Can anybody  give me a suggestion?
   1 1167 0                     Thanks in advance
   1  418 1                       Endy

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