hospital data frame has 15 rows and 5 columns.
This data frame contains the following columns:
level of obstetric care
Weights, as given by the original reference
Weights, as given in the source
Levy and Lemeshow. "Sampling of Populations" (3rd edition). Wiley.
1 2 3 4 5 6 7
Want to suggest features or report bugs for rdrr.io? Use the GitHub issue tracker.