Obtain the length at age array

Obtain the mean length (cm) at age for each year and season. This function is used within get_data so is generally not needed directly. It simply rearranges the input data.frame into an array.

Usage

get_length_at_age(length_mean)

Arguments

length_mean

a data.frame containing the mean length at age (a) for each year (y) and season (s).

Value

an array.

Details

The input data.frame must contain the mean length (cm) at age arranged into the columns Year, Season, and ages 0 to 30:

Year	Season	0	1	...	29	30
1931	1	45	57.1	...	74.1	88.8
1932	1	45	57.1	...	74.1	88.8
...	...	...	...	...	...	...
2021	2	50	68.9	...	184.0	184.0
2022	2	50	68.9	...	184.0	184.0

Examples

length_mu_ysa <- get_length_at_age(length_mean = sbt::length_mean)