search for: groupea

Displaying 1 result from an estimated 1 matches for "groupea".

Did you mean: grouped
2007 Oct 22
1
grouping rows into bin ranges
Hi everyone, I have a matrix that contains 1000 replicates of a sample of a list of values. I want to group each row (row=replicate) into my defined bin ranges and then calculate the mean and stdev for each of the bin ranges (so I will have 1000 rows but ncol=number of bin ranges). I don't know how to group rows in a matrix matrix according to another vector (which is what I think I need to