fish_size: Calculate a descriptor for fish size

In turf-reserves/MPAtools: Tools to simulate and analyze no-take Marine Reserves

Description

Calulates mean, median, maximum, or minimum size (cm) for a list of species (or selected species, as indicated by parameter species) by year, site, and transect, for a speciic location.

Usage

fish_size(data, location, species = NULL)

Arguments

data	A dataframe that contains at least columns of Ano, Zona (e.g. "Zona de pesca" or "Zona de no pesca"), Sitio, Transecto, GeneroEspecie, Abundancia.
location	A quoted string that indicates the location.
species	A quoted string that indicates a species for which the size statistic should be calulated.

Value

size A dataframe with columns for Ano, Zona, Sitio, Transecto, GeneroEspecie, and the statistic required.

turf-reserves/MPAtools documentation built on June 1, 2019, 2:54 a.m.