Method testTrainScore

test/com/winvector/logistic/TestLRPath.java:150–173

()

	
	
	@Test
	public void testTrainScore() throws Exception {
		final File tmpDir = File.createTempFile("FJunit_",".dir");
		tmpDir.delete();
		tmpDir.mkdirs();
		final File trainFile = new File(tmpDir,"uciCarTrain.tsv");
		final File modelFile = new File(tmpDir,"model.ser");
		final File resultFile = new File(tmpDir,"scored.tsv");
		TestLRPath.copyResourceToFile("com/winvector/logistic/uciCarTrain.tsv",trainFile);
		final TrivialReader trainSource = new TrivialReader(trainFile.toURI(),'\t',null,false,null, false);
		(new LogisticTrain()).run(trainSource,new Formula("rating ~ buying + maintenance + doors + persons + lug_boot + safety"),null,
				modelFile,null);
		final ObjectInputStream ois = new ObjectInputStream(new FileInputStream(modelFile));
		final Model model = (Model)ois.readObject();		
		ois.close();
		final double accuracy = LogisticScore.score(model,trainSource,resultFile);
		// clean up
		modelFile.delete();
		trainFile.delete();
		resultFile.delete();
		tmpDir.delete();
		// test
		assertTrue(Math.abs(accuracy-0.9693)<1.0e-2);
	}
	

	/**