get_length_weight: Generate a table of length weight coefficients

In andybeet/survdat: Tools for working with NEFSC survey data

Generate a table of length weight coefficients

Description

Pulls the length-weight coefficients calculated from NOAA Tech Memo NMFS-NE-171.

Usage

get_length_weight(channel)

Arguments

channel

an Object inherited from DBIConnection-class. This object is used to communicate with the database engine. (see connect_to_database)

Value

Returns a data.table (nx12).

SVSPP	A standard code which represents a species caught in a trawl or dredge. Refer to the SVDBS.SVSPECIES_LIST
SVLWEXP	The exponent of the length-weight equation, b.
SVLWCOEFF	The natural log of the coefficient of the length-weight equation, ln a.

See Also

Other survdat: calc_stratified_mean(), calc_swept_area(), get_area(), get_survdat_clam_data(), get_survdat_data(), get_survdat_scallop_data(), post_strat(), strat_mean(), swept_area()

andybeet/survdat documentation built on Nov. 9, 2023, 10:11 a.m.