as.fpc {survey}R Documentation

Package sample and population size data


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.


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


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


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


An object of class survey_fpc

See Also


[Package survey version 3.18 Index]