Convert `Ocens` Object to Data Frame to Facilitate Subset

Converts an `Ocens` object to a data frame so that subsetting will preserve all needed attributes

# S3 method for class 'Ocens'
as.data.frame(x, row.names = NULL, optional = FALSE, ...)

Arguments

x

an `Ocens` object

row.names

optional vector of row names

optional

set to `TRUE` if needed

...

ignored

Value

data frame containing a 2-column integer matrix with attributes

Author

Frank Harrell