Re: [R-sig-eco] Mantel test with multiple imputation, P values

2013-08-18 Thread Krzysztof Sakrejda
I think D is the easy part, it should be the mean Mantel test statistic from all the imputed data sets. The rest I'm not sure yet, but if you get a good answer from someone else, I'd appreciate it if you shared it. Krzysztof On Aug 18, 2013 4:44 PM, "Jacob Cram" wrote: > Krzystof, >Thank

Re: [R-sig-eco] Mantel test with multiple imputation, P values

2013-08-18 Thread Jacob Cram
Krzystof, Thank you for your reply. It is promising that you think that Li's method should work for imputed mantel results. That said, I am a bit over my head with the math in the Li et al reference. Could you (or anyone on this list) provide an R-code example of how D would be calculated

Re: [R-sig-eco] Mantel test with multiple imputation, P values

2013-08-18 Thread Krzysztof Sakrejda
Hi Jacob, comments below. On Aug 18, 2013 2:31 PM, "Jacob Cram" wrote: > > Dear List, > I have an environmental data set with several missing values that I > am trying to relate to a community structure data set using a mantel > test. One solution to the missing data problem seems to be m

[R-sig-eco] Mantel test with multiple imputation, P values

2013-08-18 Thread Jacob Cram
Dear List, I have an environmental data set with several missing values that I am trying to relate to a community structure data set using a mantel test. One solution to the missing data problem seems to be multiple imputation; I am using the Amelia package. This generates several (five in