Add a discard ratio function that calculates the discard ratio (# discarded / #caught) for both gear types in catch-comparison analyses. Also add functions to calculate indicators nP- and nP+ Input should be any length cutoff.
Add a discard ratio function that calculates the discard ratio (# discarded / #caught) for both gear types in catch-comparison analyses.
Also add functions to calculate indicators nP- and nP+
Input should be any length cutoff.