[datatable-help] Correcting for transience in mark-recapture data with R

[Yasir Kaheil]

Why don't you just simply read the CSV with read.csv instead of that
function in the beginning?

Le ven. 1 avr. 2016 7:36 PM, TimvdStap <timvanderstap89 at gmail.com> a écrit :

> Hi everyone,
>
> I'm working on estimating the population size of Risso's dolphins in the
> Azores using mark-recapture data, whereby I take transient individuals into
> account (i.e., I estimate a transience-corrected population size). For
> this,
> I use an R script, as used in Madon et al (2013) (see link to paper at
> bottom of this post). Though I feel I have managed to get the script
> running, for some reason the transience-corrected population size for my
> final year is far *higher* than the original population size. This is
> obviously not supposed to happen, but I am unsure as to whether the
> transience-corrected population size for my final year is wrong, or the
> initial population size.
>
> Attached I have a sample of my data as a .csv-file, and a word document
> with
> the R script (as it's too long to post here). Of course I have made some
> minor changes to the script to fit my data better. If anyone could have a
> look at the script, and possibly tell me where I am going wrong or what I'm
> missing, that would be great!!! I have been staring at the script for so
> long and trying to figure this one out, that I feel I'd miss even the most
> obvious of mistakes at the moment..
>
> Any help is greatly appreciated!!
>
> Kind regards,
>
> Tim
>
>
> http://onlinelibrary.wiley.com/doi/10.1111/j.1748-7692.2012.00610.x/abstract?userIsAuthenticated=false&deniedAccessCustomisedMessage=
>
> Risso_example.csv
> <http://r.789695.n4.nabble.com/file/n4719206/Risso_example.csv>
> Rscript_TvdS.docx
> <http://r.789695.n4.nabble.com/file/n4719206/Rscript_TvdS.docx>
>
>
>
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