weights.nonprob: Extract the inverse probability weights
Description
A generic function weights
that returns inverse probability weights (if present)
Usage
# S3 method for nonprob
weights(object, ...)
Value
A vector of weights or a NULL
extracted from the nonprob
object i.e. element "ipw_weights"
Arguments
- object
a nonprob
class object
- ...
other arguments passed to methods (currently not supported)