survey (version 3.29-4)

stratsample: Take a stratified sample

Description

This function takes a stratified sample without replacement from a data set.

Usage

stratsample(strata, counts)

Arguments

strata

Vector of stratum identifiers; will be coerced to character

counts

named vector of stratum sample sizes, with names corresponding to the values of as.character(strata)

Value

• vector of indices into strata giving the sample

See Also

sample

The "sampling" package has many more sampling algorithms.

Examples

data(api)
  s<-stratsample(apipop$stype, c("E"=5,"H"=4,"M"=2))
  table(apipop$stype[s])