Re: [R] How to conduct a PERMANOVA using a dissimilarity matrix

2015-12-23 Thread Tim Richter-Heitmann
Hi! R indeed cannot distinguish between your Site and Species columns. You either need to state "row.names=1" while loading your csv-files into workspace or you can rearrange your dataframe like this: |bats2 <-bats[,-1]rownames(bats2)<-bats[,1] Alternatively, you can tell R which columns of

Re: [R] How to conduct a PERMANOVA using a dissimilarity matrix

2015-12-23 Thread michael.eisenring
Dear Erica and Hazel, Thank you very much for your help. Based on Ericas feedback I use now a the raw data giving me information on abundance of bat species (I changed the data set) that were caught at 6 different sites (file named bats) Thanks to Hazels input I use now an additional file

[R] How to conduct a PERMANOVA using a dissimilarity matrix

2015-12-22 Thread michael.eisenring
Dear R-List members, I have to compare how similar two types of forest (old growth=O) and (young forest=Y) in terms of moth communities are. I sampled moths at 4 O and 4 Y sites. I need to analyse the data using a PERMANOVA approach. But I am having a really hard time to do this in R. I found