GOF problems in version 6.4
Posted: Mon Apr 21, 2014 11:36 pm
Hi,
Trying to run goodness of fit tests in presence v6.4 and presence is returning strange results (e.g. c-hat = 0, extremely high test statistics), not what I was expecting. As a test I tried several models that I already knew the c-hats from previous GOF analyses in earlier versions of presence, and all tests in 6.4 returned strange results (c-hat =0, sky high test stats). I had used the same amount of bootstraps (10k) for all tests.
I then wondered if it was my data/models or was it presence. I ran another GOF test on the same models in an earlier version of presence (v4.3) on another older machine and v4.3 returned "reasonable" results that I would expect (not c-hat=0). In other words, v4.3 is working with the GOF and for some reason v6.4 is not, at least on my two separate computers.
Thoughts? Bug?
Edit: Also the GOF test in v6.4 (using windows 7) required nearly 4 hours to complete 10K bootstraps, whereas the same model and number of bootstraps in v4.3 (using windows vista) only required 1.5 hrs to complete.
Trying to run goodness of fit tests in presence v6.4 and presence is returning strange results (e.g. c-hat = 0, extremely high test statistics), not what I was expecting. As a test I tried several models that I already knew the c-hats from previous GOF analyses in earlier versions of presence, and all tests in 6.4 returned strange results (c-hat =0, sky high test stats). I had used the same amount of bootstraps (10k) for all tests.
I then wondered if it was my data/models or was it presence. I ran another GOF test on the same models in an earlier version of presence (v4.3) on another older machine and v4.3 returned "reasonable" results that I would expect (not c-hat=0). In other words, v4.3 is working with the GOF and for some reason v6.4 is not, at least on my two separate computers.
Thoughts? Bug?
Edit: Also the GOF test in v6.4 (using windows 7) required nearly 4 hours to complete 10K bootstraps, whereas the same model and number of bootstraps in v4.3 (using windows vista) only required 1.5 hrs to complete.