wtd.strata.est: Weighted mean NASC by stratum

Description Usage Arguments Value

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 May 14, 2019, 8:58 a.m.