Nothing
mahal <- function(q, vc){
storage <- matrix(NA, nrow(q), nrow(q))
q <- as.matrix(q)
# generate a matrix of Mahalanobis distances between all possible pairs
for(i in 1:nrow(q)){
storage[row(q), i] <- sqrt(mahalanobis(x = q,
center = q[i, ],
cov = vc))
}
return(storage)
}
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