[R] SIAR problem with model running

Hi there, I am trying to run an MCMC on stable isotope data from certain organisms to determine their dietary habits in the package SIAR. I have prepared my data according to Inger, R., Jackson, A., Parnell, A., Bearhop, S. : SIAR V4 (Stable Isotope Analysis in R) an Ecologist's Guide (also bette

[R] 'Boolean Index too long'

#Hi, I am trying to run an MRPP with community data (spp-site-matrix). I use the following code: mzbtaxa_mrpp <- mrpp(mzbdist,mzbsites$Site) #mzbdist being a distance object (Bray-Curtis similarity matrix) derived from my sqrt transformed community data set, created with function 'vegdist', mzbsi

[R] 'x' must be numeric..

Hi, I have a problem that appears to be quite common - warnings that 'x' must be numeric. How can I get rid of that problem? specifically, I am trying to run an mrpp with a species-site data set plus a second file containing factors. Both files are saved as .csv and comma separated. I have tried