[R] e1071: Cannot predict probabilities
Mikkel Meyer Andersen
r at mikl.dk
Tue Feb 23 20:43:21 CET 2010
Dear list.
I using the SVM-methods from the e1071, but I can't get the
probabilities when predicting.
Code:
x <- matrix(rbinom(100, 10, 0.3), ncol=2)
y <- apply(x, 1, sum)
fit <- svm(y ~ x, method = "C-classification", kernel = "radial",
probability = TRUE)
predict(fit, x, probability=TRUE)
Here predict doesn't containing any probabilities (not as attributes
either). Does anybody know what I'm doing wrong or if the package
contains any bugs?
version.string R version 2.9.2 (2009-08-24)
Version of the e1071-package: 1.5-21
Cheers, Mikkel.
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