[R] Sorting Data Frame Without Loop

Hello all! I am currently trying to sort a data frame in a particular way, but I am having some difficulties with this. Specifically I want to sort the below dataset in such a way that there is only one line per ProteinID and if there are multiple GeneID or GeneName entries for a single prote

Re: [R] Large dataset operations

Thanks for the help! All the methods above worked well and cleared up some misunderstandings. Thanks! Haakon =) [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat

[R] Large dataset operations

Hello all, I'm new to R and trying to figure out how to perform calculations on a large dataset (300 000 datapoints). I have already made some code to do this but it is awfully slow. What I want to do is add a new column for each "rep_ " column where I have taken each value and divide it by t