wtd.strata.est: Weighted mean NASC by stratum

Description Usage Arguments Value

View source: R/rstox_acoustic.r

Description

Calculates mean by stratum (Jolly & Hampton 1990 Eq(2)) and variance by stratum (Eq3b).

Usage

1
wtd.strata.est(tr.value, tr.dist)

Arguments

tr.value

Transect NASC values.

tr.dist

Transect distance values.

Value

list with mean and variance by stratum


Sea2Data/Rstox documentation built on April 18, 2018, 11:11 p.m.