Merge pull request #471 from terrytangyuan/master

TST: Added R unit test for glm
This commit is contained in:
Tong He 2015-09-06 20:29:37 -07:00
commit 6109a70a16

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context('Test generalized linear models')
require(xgboost)
test_that("glm works", {
data(agaricus.train, package='xgboost')
data(agaricus.test, package='xgboost')
dtrain <- xgb.DMatrix(agaricus.train$data, label = agaricus.train$label)
dtest <- xgb.DMatrix(agaricus.test$data, label = agaricus.test$label)
expect_equal(class(dtrain), "xgb.DMatrix")
expect_equal(class(dtest), "xgb.DMatrix")
param <- list(objective = "binary:logistic", booster = "gblinear",
nthread = 2, alpha = 0.0001, lambda = 1)
watchlist <- list(eval = dtest, train = dtrain)
num_round <- 2
bst <- xgb.train(param, dtrain, num_round, watchlist)
ypred <- predict(bst, dtest)
expect_equal(length(getinfo(dtest, 'label')), 1611)
})