8d5bb5283c
Adds '.', '-', and intercept parsing to RFormula. Also splits RFormulaParser into a separate file. Umbrella design doc here: https://docs.google.com/document/d/10NZNSEurN2EdWM31uFYsgayIPfCFHiuIu3pCWrUmP_c/edit?usp=sharing mengxr Author: Eric Liang <ekl@databricks.com> Closes #7707 from ericl/string-features-2 and squashes the following commits: 8588625 [Eric Liang] exclude complex types for . 8106ffe [Eric Liang] comments a9350bb [Eric Liang] s/var/val 9c50d4d [Eric Liang] Merge branch 'string-features' into string-features-2 581afb2 [Eric Liang] Merge branch 'master' into string-features 08ae539 [Eric Liang] Merge branch 'string-features' into string-features-2 f99131a [Eric Liang] comments cecec43 [Eric Liang] Merge branch 'string-features' into string-features-2 0bf3c26 [Eric Liang] update docs 4592df2 [Eric Liang] intercept supports 7412a2e [Eric Liang] Fri Jul 24 14:56:51 PDT 2015 3cf848e [Eric Liang] fix the parser 0556c2b [Eric Liang] Merge branch 'string-features' into string-features-2 c302a2c [Eric Liang] fix tests 9d1ac82 [Eric Liang] Merge remote-tracking branch 'upstream/master' into string-features e713da3 [Eric Liang] comments cd231a9 [Eric Liang] Wed Jul 22 17:18:44 PDT 2015 4d79193 [Eric Liang] revert to seq + distinct 169a085 [Eric Liang] tweak functional test a230a47 [Eric Liang] Merge branch 'master' into string-features 72bd6f3 [Eric Liang] fix merge d841cec [Eric Liang] Merge branch 'master' into string-features 5b2c4a2 [Eric Liang] Mon Jul 20 18:45:33 PDT 2015 b01c7c5 [Eric Liang] add test 8a637db [Eric Liang] encoder wip a1d03f4 [Eric Liang] refactor into estimator
51 lines
1.9 KiB
R
51 lines
1.9 KiB
R
#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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library(testthat)
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context("MLlib functions")
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# Tests for MLlib functions in SparkR
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sc <- sparkR.init()
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sqlContext <- sparkRSQL.init(sc)
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test_that("glm and predict", {
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training <- createDataFrame(sqlContext, iris)
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test <- select(training, "Sepal_Length")
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model <- glm(Sepal_Width ~ Sepal_Length, training, family = "gaussian")
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prediction <- predict(model, test)
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expect_equal(typeof(take(select(prediction, "prediction"), 1)$prediction), "double")
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})
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test_that("predictions match with native glm", {
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training <- createDataFrame(sqlContext, iris)
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model <- glm(Sepal_Width ~ Sepal_Length + Species, data = training)
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vals <- collect(select(predict(model, training), "prediction"))
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rVals <- predict(glm(Sepal.Width ~ Sepal.Length + Species, data = iris), iris)
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expect_true(all(abs(rVals - vals) < 1e-6), rVals - vals)
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})
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test_that("dot minus and intercept vs native glm", {
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training <- createDataFrame(sqlContext, iris)
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model <- glm(Sepal_Width ~ . - Species + 0, data = training)
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vals <- collect(select(predict(model, training), "prediction"))
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rVals <- predict(glm(Sepal.Width ~ . - Species + 0, data = iris), iris)
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expect_true(all(abs(rVals - vals) < 1e-6), rVals - vals)
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})
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