[R] PerMANOVA of community data

Hi! How can I make a PerMANOVA in R comparing treatments in a matrix that looks something like this: Treatment 1 Treatment 2 Treatment 3 Species 1 0.6 0.2 0 Species 2 0 0.7 0.3 Species 3

Re: [R] NMDS plot and Adonis (PerMANOVA) of community composition with presence absence and relative intensity

How can I display a heatmap.2 with a column dendrogram without reordering neither column or row? library(vegan) dissimilaritymatrix<-data.matrix(vegdist(step3,method="bray")) library(gplots) heatmap<-heatmap.2(dissimilaritymatrix,dendrogram="column",Colv=T, Rowv=F,key=TRUE, symkey=FALSE, density.i

[R] Display dendrogram in heatmap.2 without reordering col or row

v=F,key=TRUE, symkey=FALSE, density.info="none", trace="none",col = cm.colors(256)) Please advice! -- Vänliga hälsningar Kind regards //Markus Lindh >Work Kalmarsundslab Barlastgatan 11 392 31 KALMAR Sweden Tel. +46480-447320 (lab) Tel. +46706-851242 (cellphone) Fax +46480

[R] NMDS plot and Adonis (PerMANOVA) of community composition with presence absence and relative intensity

Hi! Thanks for providing great help in R-related statistics. Now, however I'm stuck. I'm not a statistics person but I was recommended to use R to perform a nmds plot and PerMANOVA of my dataset. Sample(treatment) in the columns and species (OTU) in the rows. I have 4 treatments (Ambient Temperat