Hi
better to use dput for presenting data as it is directly usable by anybody. So I
did not test it.
Try to get names for appropriate columns
nn<-names(d)
and use get
s=survfit(Surv(get(nn[2]), get(nn[3]))~get(nn[1]), data=d)
It works with lm and shall work with survit too.
Regards
Petr
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Endy
> Sent: Monday, April 14, 2014 12:56 PM
> To: r-help at r-project.org
> Subject: [R] I can't programe routine comp()
>
> Dear R users.
> I am trying to program the comp() routine in package survMisc. I am
> reading the data below with d=read.table( "C:\\. .
> .",fill=TRUE,header=TRUE) Then I load the packages 'survival'
and
> 'survMisc', library(survival), library(survMisc)
> and I run the commands
> s=survfit(Surv(d[,2],
> d[,3])~d[,1], data=d)
> comp(s)
> and I am getting the error
> Error in get(t1, loc1) : object
> 'd[, 2]' not found If instead I use the commands
> s=survfit(Surv(T,
> Status)~Group, data=d)
> comp(s) routine comp() runs
> perfectly. However when I am programing I can't see a way to know in
> advance the variable names in order to use them.
> Can anybody give me a suggestion?
>
> Thanks in advance
> Endy
>
> NB. The data must be stacked in three (3) columns before red.
> They are repeated in nine (9) columns for space saving.
>
> GroupTStatusGroupTStatusGroupTStatus
>
> 120810155124141
> 116020111222041
> 11496011071210631
> 1146201110124811
> 1143301332121051
> 11377022569026411
> 11330022506023901
> 1996022409022881
> 1226022218024211
> 1119902185702791
> 11111021829027481
> 1530021562024861
> 1118202147002481
> 11167021363022721
> 14181210300210741
> 138312860023811
> 127612125802101
> 110412224602531
> 160912187002801
> 117212179902351
> 1487121709022481
> 1662121674027041
> 1194121568022111
> 1230121527022191
> 1526121324026061
> 1122129570
> 1129129320
> 174128470
> 1122128480
> 1861218500
> 14661218430
> 11921215350
> 11091214470
> 1551213840
> [[alternative HTML version deleted]]
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