Umesh-
You should contact the package maintainer or a SIG with a question about
a package. RMark isn't posted on CRAN so it is unlikely most folks will
even know about it. There is a support forum for MARK and RMark on the
phidot site where you got them. I'll look at your data and problem and
will get back to you. I suggest that you subscribe to the phidot forum.
Jeff Laake (RMark maintainer)
On 11/7/2010 11:03 PM, Umesh Srinivasan wrote:
> Hi all,
>
> I have just started using RMark to analyse capture-recapture data. I am
> trying to analyse a simulated data set using the Robust Design (two primary
> periods with three secondary sessions in each) to estimate apparent
> survival. On specifying the time intervals (that tell R about the primary
> and secondary sampling sessions), this is the error I get:
>
>
>> time.int<- c(0,0,1,0,0)
>> model<- mark(dat, model = "Robust", time.intervals = time.int)
>>
> Error in time.intervals[1:(i - 1)] :
> only 0's may be mixed with negative subscripts
>
> This is what I tried to do overall:
>
> ###################
>
> library(RMark)
>
> dat<- import.chdata("/home/umesh/Desktop/capture history.txt")
> head(dat)
>
> time.int<- c(0,0,1,0,0)
> model<- mark(dat, model = "Robust", time.intervals = time.int)
>
> ###################
>
> I am attaching the simulated capture histories in the file 'capture
> history.txt' as well if that will help.
>
> Thanks in advance,
>
> Umesh Srinivasan
> National Centre for Biological Sciences
> Bangalore, India
>
>
>
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