> rng <- list(gamma = 2^(-1:1), cost = 2^(2:4))
> rng
$gamma
[1] 0.5 1.0 2.0

$cost
[1]  4  8 16

> obj <- tune.svm(pIC50 ~ ., data = data, ranges = rng)
Error in tune(svm, train.x = x, data = data, ranges = ranges, ...) :
        formal argument "ranges" matched by multiple actual arguments

Ay idea why ???

Ryszard

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