@Test
public void toStringTest() {

	double[] data = testDataGenerator.createNoisySeasonalDataWithTimeSeed(144, 12, 10.0, 1.0, 2.0);
	SeasonalTrendLoess.Builder builder = new SeasonalTrendLoess.Builder().setPeriodLength(12).setSeasonalWidth(7).setNonRobust();
	SeasonalTrendLoess stl = builder.buildSmoother(data);
	assertEquals(
			"SeasonalTrendLoess: [\n" +
			"inner iterations     = 2\n" +
			"outer iterations     = 0\n" +
			"periodicity          = 12\n" +
			"seasonality settings = [width = 7, degree = 1, jump = 1]\n" +
			"trend settings       = [width = 23, degree = 1, jump = 3]\n" +
			"lowpass settings     = [width = 13, degree = 1, jump = 2]\n]", stl.toString());
}