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
Previously at 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 4.4-2 Index]