num_to_bio: Converts numbers-at-age to biomass-at-age or vice versa....
In mcoshima/moMSE: Functions for Running a Management Strategy Evaluation

Converts numbers-at-age to biomass-at-age or vice versa. Inputs need to be a dataframe, not a matrix.

1	num_to_bio(df, dat.list, Natage = T, age0 = F)

`df`	dataframe of values you are converting
`dat.list`	list that contains matrix of weights at age
`Natage`	default is TRUE, T converts N-at-age to biomass, F converts B-at-age to numbers
`age0`	defualt is FALSE, will exclude age0 in calculations, TRUE will include them