bound_propensity.RdBound Generalized Propensity Score
bound_propensity(vals)numeric vector of propensity score estimate values. Note
that, for this parameter, the propensity score is (conditional) density and
so it ought not be bounded from above.
A numeric vector of the same length as vals, where the
returned values are bounded such that the minimum is no lower than 1/n, for
the sample size n.
@export
Bound estimated values of the generalized propensity score (a conditional density) to avoid numerical instability issues arising from practical violations of the assumption of positivity.