adonis

  1. R

    What GLM family if response is Bray-Curtis dissimilarity? Can I use adonis (vegan)?

    I have some questions about testing for effects of different experimental levels on community similarity. I'll explain my planned experimental design before I ask the questions: I have two methods for sampling species. I will use both of these methods on the same vegetation patch, at 3 points...
  2. A

    Permanova using adonis, comparing a focus group with the rest (all other groups)

    Dear all I would like to compare the community composition of a certain region, against the composition of the neighbouring regions. This is an attempt to validate the ecoregion itself (its species composition is significantly different from that of its neighbours, or needs to be reassessed...
  3. A

    Extract residuals from adonis function in vegan package

    I am using the adonis function in the vegan package to determine effects of different environmental factors in forest plant community composition in different regions. I would like to first use adonis to remove the region effect, this is, to fit a model like adonis_region<- adonis(community ~...
  4. E

    [R] permanova for multivariate repeat measures toxicology data set

    Hello, I would like to use a permanova to analyze my repeated measures, multivariate data set using the package vegan (adonis function) in R. I have several explanatory variables and many clinical biochemistry/hematological response variables (all continuous, non-normally distributed). I...
  5. W

    perMANOVA using Adonis in Program R (DF and Multiple Comparisions)

    Hello there, I’ve been having some concerns with the degrees of freedom R has been giving me from PERMANOVA (adonis), and I was hoping someone could shed some light on this. I have been looking over my R books and manuals, general statistics books for calculating DF, and surfed the stats...