Calculate CPUEs at haul level — calc

This function zero-fills the catch data and converts numbers and weights to CPUE.

Usage

calc_cpue(racebase_tables = NULL)

Arguments

racebase_tables: data object created from gapindex::get_data()

Value

Field	Description
YEAR	Year the survey was conducted in.
CRUISE	This is a six-digit number identifying the cruise number of the form: YYYY99 (where YYYY = year of the cruise; 99 = 2-digit number and is sequential; 01 denotes the first cruise that vessel made in this year, 02 is the second, etc.).
CRUISEJOIN	This is a unique numeric identifier assigned to each survey, vessel, and year combination.
DESIGN_YEAR	The year the survey area stratum (e.g., statistical stratum, summary area, region) was implimented in.
HAULJOIN	This is a unique numeric identifier assigned to each (vessel, cruise, and haul) combination.
LATITUDE_DD_END	Latitude (one hundred thousandth of a decimal degree) of the end of the haul.
LATITUDE_DD_START	Latitude (one hundred thousandth of a decimal degree) of the start of the haul.
LONGITUDE_DD_END	Longitude (one hundred thousandth of a decimal degree) of the end of the haul.
LONGITUDE_DD_START	Longitude (one hundred thousandth of a decimal degree) of the start of the haul.
STRATUM	RACE database statistical area for analyzing data. Strata were designed using bathymetry and other geographic and habitat-related elements. The strata are unique to each survey series. Stratum of value 0 indicates experimental tows.
SURVEY	Name and description of survey. The column 'survey' is associated with the 'srvy' and 'survey_id' columns.
SURVEY_DEFINITION_ID	This number uniquely identifies a survey. Name and description of survey. The column 'survey_id' is associated with the 'srvy' and 'survey' columns. For a complete list of surveys, review the code books.