Hello! I feel tihs should be rather simply but for some reason I cannot get it to work.
I have a 2922x14 matrix. In random places in the second column there are 'NaN' and I'm trying to change all the 'NaN' to 250. Im trying to do a possible if-else (or anything that should work) statement to change all the NaN in just that second column to 250. Thank you ahead of time for the help!