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 3.19 Index]