R: Sample of obstetric hospitals

hospital {survey} | R Documentation

## Sample of obstetric hospitals

### Description

The `hospital` data frame has 15 rows and 5 columns.

### Usage

    data(hospital)

### Format

This data frame contains the following columns:

hospno

  Hospital id

oblevel

  level of obstetric care

weighta

  Weights, as given by the original reference

tothosp

  total hospitalisations

births

  births

weightats

  Weights, as given in the source

### Source

http://www.ats.ucla.edu/stat/books/sop/hospsamp.dta

### References

Levy and Lemeshow. "Sampling of Populations" (3rd edition). Wiley.

### Examples

    data(hospital)
    hospdes<-svydesign(strata=~oblevel, id=~hospno, weights=~weighta,
    fpc=~tothosp, data=hospital)
    hosprep<-as.svrepdesign(hospdes)

    svytotal(~births, design=hospdes)
    svytotal(~births, design=hosprep)

[Package survey version 3.32-1 Index]