stratsample: Take a stratified sample

In survey: Analysis of Complex Survey Samples

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])

survey documentation built on Aug. 28, 2024, 3 a.m.