Estimates residual treatment effect when W is discrete.
delta.s.estimate.w(sone, szero, yone, yzero, wone, wzero, w.all, weight.perturb = NULL)sone
szero
yone
yzero
wone
wzero
w.all
perturbation weights
Returns a vector of length equal to the length of w.all with the estimated residual treatment effect for each w value