Nothing
context("Laplacian Kernel Least Squares Classifier")
data(testdata)
modelform <- testdata$modelform
classname<-all.vars(modelform)[1]
D <- testdata$D
D_test <- testdata$D_test
X <- testdata$X
X_u <- testdata$X_u
y <- testdata$y
X_test <- testdata$X_test
y_test <- testdata$y_test
test_that("Laplacian with gamma almost 0 and supervised give the same result", {
#Scaling needs to be turned off, otherwise scaling is done differently for the supervised and semi-supervised method.
g_lap <- LaplacianKernelLeastSquaresClassifier(X,y,X_u,
kernel=kernlab::vanilladot(),
gamma=10e-8,
lambda=0.0000001,
scale = FALSE,y_scale=TRUE,
x_center=FALSE)
g_sup <- KernelLeastSquaresClassifier(X,y,
lambda=0.0000001,
scale=FALSE,x_center=FALSE,
y_scale=TRUE)
sum(loss(g_sup,X_test,y_test))
sum(loss(g_lap,X_test,y_test))
expect_equal(predict(g_lap,X_test), predict(g_sup,X_test))
expect_equal(loss(g_lap,X_test,y_test), loss(g_sup,X_test,y_test),tolerance =10e-5)
})
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