Skip to contents

Estimate mean and variance across multiple strata using the Jolly and Hampton (1990) method

Source: R/JollyAndHampton1990.R
jhMultipleStrataF.Rd

Estimate mean and variance across multiple strata using the Jolly and Hampton (1990) method

Usage

jhMultipleStrataF(strata)

Arguments

strata

list of multiple strata, each element must be the result of a call of jhF. See details.

Details

The call of jhF used to create an element in the strata argument must have the name of the stratum and the stratum area. #'@references Jolly, G. M., and Hampton, I. 1990. A stratified random transect design for acoustic surveys of fish stocks. Canadian Journal of Fisheries and Aquatic Sciences, 47: 1282-1291.

See also

jhF

Examples

if (FALSE) {
svy1=jhF(transectLength=tLengths,
transectMeanDen=denV,
transectName=NULL,svyName='test',area=svyA)
svy2=jhF(transectLength=tLengths,
transectMeanDen=denV,
transectName=NULL,svyName='test',area=svyA)

jhMultipleStrataF(strata=list(svy1,svy2))

svy3=jhF(transectLength=tLengths,
transectMeanDen=denV,
transectName=NULL,svyName='test',area=svyA*2)

jhMultipleStrataF(strata=list(svy1,svy3))

svy4=jhF(transectLength=tLengths,
transectMeanDen=denV*2,
transectName=NULL,svyName='test',area=svyA)

jhMultipleStrataF(strata=list(svy1,svy4))

}