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

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

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

# NOT RUN {
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))

# }