Dear Colleagues,
I'm completing a niche modeling job and, in my final step, I needed to choose a validation methodology that suited my data - in this case, because of the few points of occurrence, it was Jackknife (leave-one-out ).
Following the work of Pearson et al. 2007, I partitioned the data, I ran the model and now I need to run the data analysis to find a p-value. However, when I downloaded the program in the appendix of the article, it did not work on my computer (windows 10). Because of this problem, I wanted to ask if you would have a newer version of the software, or if you know how I can run this analysis in R.
That's it for now.
Hugs.
Marília
See:
sdm: a reproducible and extensible R platform for species distribution modelling, Ecography, Volume 39, Issue 4
April 2016
Pages 368–375
DOI: 10.1111/ecog.01881
The pdf is available online. It addresses your concerns. I hope this helps :)
I also suggest you the "sdm" package. You can evaluate your models using independent test data. Furthermore, I recommend you these R packages : "modeva", "fuzzysim", "dismo", "Presence-Absence".
Thanks Oliver!
I already managed to run the model (:
Mr. Pearson posted an R script on his site: , in "Data and Software".
Thank u again!
Hugs.
Marília
Mr. Pearson emailed me that help.txt!
Helped me a lot, I hope it helps you guys too!
attached here:
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