| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package com.datatorrent.contrib.r; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.lib.testbench.CountAndLastTupleTestSink; |
| |
| public class RScriptLinearRegressionPredictorTest |
| { |
| |
| // R scripts are placed at src/main/resources/r |
| RScript oper = new RScript("r/model.R", "model", "retVal"); |
| |
| @Test |
| public void testLinearRegressionPrediction() |
| { |
| |
| oper.setup(null); |
| oper.beginWindow(0); |
| |
| CountAndLastTupleTestSink<Object> hashSink = new CountAndLastTupleTestSink<Object>(); |
| oper.doubleOutput.setSink(hashSink); |
| |
| Map<String, RScript.REXP_TYPE> argTypeMap = new HashMap<String, RScript.REXP_TYPE>(); |
| |
| argTypeMap.put("PERCENT", RScript.REXP_TYPE.REXP_INT); |
| argTypeMap.put("YEAR", RScript.REXP_TYPE.REXP_ARRAY_INT); |
| argTypeMap.put("ROLL", RScript.REXP_TYPE.REXP_ARRAY_INT); |
| argTypeMap.put("UNEM", RScript.REXP_TYPE.REXP_ARRAY_DOUBLE); |
| argTypeMap.put("HGRAD", RScript.REXP_TYPE.REXP_ARRAY_INT); |
| argTypeMap.put("INC", RScript.REXP_TYPE.REXP_ARRAY_INT); |
| |
| oper.setArgTypeMap(argTypeMap); |
| |
| HashMap<String, Object> map = new HashMap<String, Object>(); |
| |
| int percent = 10; |
| int year[] = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 }; |
| int roll[] = new int[] { 5501, 5945, 6629, 7556, 8716, 9369, 9920, 10167, 11084, 12504, 13746, 13656, 13850, 14145, 14888, 14991, 14836, 14478, 14539, 14395, 14599, 14969, 15107, 14831, 15081, 15127, 15856, 15938, 16081 }; |
| double unem[] = new double[] { 8.1, 7.0, 7.3, 7.5, 7.0, 6.4, 6.5, 6.4, 6.3, 7.7, 8.2, 7.5, 7.4, 8.2, 10.1, 9.2, 7.7, 5.7, 6.5, 7.5, 7.3, 9.2, 10.1, 7.5, 8.8, 9.1, 8.8, 7.8, 7.0 }; |
| int hgrad[] = new int[] { 9552, 9680, 9731, 11666, 14675, 15265, 15484, 15723, 16501, 16890, 17203, 17707, 18108, 18266, 19308, 18224, 18997, 19505, 1900, 19546, 19117, 18774, 17813, 17304, 16756, 16749, 16925, 17231, 16816 }; |
| int inc[] = new int[] { 1923, 1961, 1979, 2030, 2112, 2192, 2235, 2351, 2411, 2475, 2524, 2674, 2833, 2863, 2839, 2898, 3123, 3195, 3239, 3129, 3100, 3008, 2983, 3069, 3151, 3127, 3179, 3207, 3345 }; |
| |
| map.put("PERCENT", percent); |
| map.put("YEAR", year); |
| map.put("ROLL", roll); |
| map.put("UNEM", unem); |
| map.put("HGRAD", hgrad); |
| map.put("INC", inc); |
| |
| oper.inBindings.process(map); |
| oper.endWindow(); |
| oper.teardown(); |
| |
| Assert.assertEquals("Number of real values received : ", 1, hashSink.count); |
| } |
| } |