
Set up a new distribution for a data type
Source:R/distribution_formulas.R
initialize_data_distribution.RdUse methods::new() to set up a distribution within an existing module with
the necessary linkages between the two. For example, a fleet module will need
a distributional assumption for parts of the data associated with it, which
requires the use of initialize_data_distribution().
Usage
initialize_data_distribution(
module,
data_type = c("catch", "index", "age_comp", "length_comp"),
uncertainty
)Arguments
- module
An identifier to a C++ fleet module that is linked to the data of interest.
- data_type
A string specifying the type of data that the distribution will be fit to. Allowable types include "catch", "index", "age_comp", and "length_comp" and the default is catch.
- uncertainty
A vector of strings specifying formulas for each data point. See
FIMSFrame()for more information on what the formula should look like.
Value
A reference class. is returned. Use methods::show() to view the various
Rcpp class fields, methods, and documentation.
Examples
if (FALSE) { # \dontrun{
# Set up a new data distribution
n_years <- 30
# Create a new fleet module
fleet <- methods::new(Fleet)
# Create a distribution for the fleet module
sd_log <- rep(sqrt(log(0.01^2 + 1)), n_years)
fleet_distribution <- initialize_data_distribution(
module = fishing_fleet,
uncertainty = glue::glue(
"~dlnorm(meanlog = log_index_expected, sdlog = {sd_log})"
),
data_type = "index"
)
} # }