get_recdevs: Return a set of recruitment deviations
Description
This function returns a set of pseudo-random recruitment deviations based
on an iteration number. Given the same iteration number the function will
return the same recruitment deviations. The deviations are standard normal.
I.e., they have a mean of 0 and a standard deviation of 1.
Usage
get_recdevs(iteration, n, seed = 21)
Arguments
iteration
The iteration number. This is used as an ID to set the
random number seed.