as.fpc {survey} | R Documentation

## Package sample and population size data

### Description

This function creates an object to store the number of clusters sampled within each stratum (at each stage of multistage sampling) and the number of clusters available in the population. It is called by `svydesign`, not directly by the user.

### Usage

    as.fpc(df, strata, ids,pps=FALSE)

### Arguments

`df` | A data frame or matrix with population size information
`strata` | A data frame giving strata at each stage
`ids` | A data frame giving cluster ids at each stage
`pps` | if `TRUE`, fpc information may vary within a stratum and must be specified as a proportion rather than a population sizes

### Details

The population size information may be specified as the number of clusters in the population or as the proportion of clusters sampled.

### Value

An object of class `survey_fpc`

### See Also

`svydesign`,`svyrecvar`

[Package survey version 3.19 Index]