Returning the n lowest values across columns in a dataframe

[jd-foster]

@Snowy

My first post was removed (not sure why), so here is try number 2…

For each row, return n lowest column indexes or column names

Hi all, New to Julia and seeking a little help. I am working with a dataframe and for each row, I want to return either the position of the lowest n values, or the column names of the lowest n value. The package DataStructures (Heaps · DataStructures.jl) has a function that does this, but I really want to avoid loading a package just for this, as I’m sure the solution is relatively simple. Say my dataframe was as follows: df = DataFrame((name=["S1","S2","S3","S4","S5"],Z1=[41,12,19,17,11],Z2=…