Helper to set map for Catchability parameters

Maps catchability base parameters (index_log_q), time-varying deviations (index_q_dev), and environmental linkages (index_q_beta) for every fleet that holds fitted index_data, a fishery with a CPUE series as much as a survey. A fleet with no index rows gets none of them, whatever its Catchability says, since a q with no index to inform it is a flat direction. Sharing overrides this: adjust_map_shared_params() then copies the lead fleet's slice across each Catchability_index group.

Usage

build_map_catchability(map_list, data_list, nyrs_hind, random_q = FALSE)

Arguments

map_list

The current TMB map list.

data_list

The data list containing model settings.

nyrs_hind

Number of historical years.

random_q

Logical. If TRUE, the deviation sd (index_q_dev_log_sd) is estimated rather than held at Time_varying_q_sd.

Value

Updated map_list.