R/lsqtest4.R

In musto101/wilcox_R: What the package does (short line)

lsqtest4 <-
function(vstar,yhat,res,x, k){
ystar <- yhat + res * vstar
p<-ncol(x)
pp<-p+1
vals<-lsfit(x,ystar)$coef[2:pp]
sa<-lsfitNci4(x, ystar)$cov[-1, -1]
sa<-as.matrix(sa)
sai<-sa[k,k]
test<-vals[k]/sqrt(sai)
test
}