LengthGroup: Assign Each Fish to Length Group.

In jasondubois/sportfish: Methods and Function for CDFW Sportfish Unit Data

Description

Assigns for each fish 'sub' (sub-legal), 'leg' (legal), 'ovr' (over-legal) based on fishing regulations and measured fork length or total length (cm). If length is NA, then 'unk' (unknown) is used instead. Special case for Green Sturgeon using 'not' post 2006, when it be came illegal to fish for (and keep) said species.

Usage

LengthGroup(
  data,
  year,
  species = NULL,
  tl = NULL,
  fl = NULL,
  regTable = c("su", "sb")
)

Arguments

data	Dataframe containing (at least) fish length & catch date (year).
year	Field name (not quoted) in data that holds capture (collection) year.
species	Field name (not quoted) in data that holds species.
tl	Field name (not quoted) in data that holds total length.
fl	Field name (not quoted) in data that holds fork length.
regTable	Dataframe of regulation changes with at least the following fields: "MaxYear"; "Species"; "MinLen"; "MaxLen"; and "LenType". Default is 'su' and gets internal 'RegsSturgeon'. Other choice is 'sb' and will get internal 'RegsStriper'.

Value

A character vector with length = nrow(data) & possible values of 'sub', 'leg', 'ovr', 'unk', or 'not'.

Examples

# coming soon

jasondubois/sportfish documentation built on July 3, 2020, 1:01 p.m.