You likely want to use redistribute_weights
instead.
The function shift_weight
is internal to this package and is used only "under-the-hood."
shift_weight(wt_set, is_upweight_case, is_downweight_case)
A numeric vector of adjusted weights, of the same length as wt_set
.
A numeric vector of weights
A logical vector indicating cases whose weight should be increased
A logical vector indicating cases whose weight should be decreased