Nothing
`gethats` <-
function (nobs, nvars, x.t, XWXinv, ww)
{
.C("hatsc", n = as.integer(nobs), p = as.integer(nvars),
x = as.double(x.t), invfisherinf = as.double(XWXinv),
w = as.double(ww), hat = double(nobs))$hat
}
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