est.aver: Estimated overall average from sample selection model
Description
est.aver can be used to calculate the overall estimated average from a sample selection model, with corresponding confidence interval
obtained using the delta method.
A fitted SemiParSampleSel object as produced by SemiParSampleSel().
sig.lev
Significance level.
sw
Survey weights.
naive
It indicates whether the prevalence is calculated using a (naive/classic) univariate equation model
or sample selection model. This option has been introduced to compared adjusted and unadjusted estimates.
Value
resIt returns three values: lower confidence interval limit, estimated average and upper confidence interval limit.
sig.levSignificance level used.
Details
est.aver estimates the overall average of an outcome of interest when there are missing values that are not at random.