Hi,
I need to make a subset of my species abundance matrix with only species
(columns) that have a total abundance(column sum) greater than 0.5 to do
ordination in vegan package. I used following code but it is not working. Can
you please give me a solution.
gl1<- subset(grassland[,5:44], colSums > 0.05, select=2)
gl1 is my new matrix ,and grassland[,5:44] is my original matrix.
thanks,
Dilshan
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