I'm trying to calculate rarefied species richness for data set which looks something like https://ibb.co/bZeALk this. I read the .csv file into R and it was converted to a data frame. Now when I try to operate on it, I always end up with error messages like "Error in round(x) : non-numeric argument to mathematical function". What do I do wrong? I'm setting the sample size as the smallest community size. I'm setting MARGIN=2.
By the way, my goal is to compare these different counts from different years in terms of their diversity and I wanted to use rarefied richness too. They are from the same place but from different years.
Hi, check that you are not including the first column in the function, as it is a factor. It should be rarefy(df[,-1])
Cheers
When you enter a csv, xlsx aR file, he creates a first column, before performing the analyzes, make sure to delete that column in the edit file and save it. That must be the solution to the problem
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