Examples with Val water.rapids.Val used on opensource projects

Example 41 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstNaOmitTest method TestNaOmit.

/** Test written by Nidhi to test that NaOmit actaully remove the rows with NAs in them. */
@Test
public void TestNaOmit() {
    Frame f = null;
    Frame fNew = null;
    try {
        f = ArrayUtils.frame(ar("A", "B"), ard(1.0, Double.NaN), ard(2.0, 23.3), ard(3.0, 3.3), ard(Double.NaN, 3.3));
        String x = String.format("(na.omit %s)", f._key);
        // make the call the remove NAs in frame
        Val res = Rapids.exec(x);
        // get frame without any NAs
        fNew = res.getFrame();
        // 2 rows of NAs removed.
        assertEquals(f.numRows() - fNew.numRows(), 2);
    } finally {
        if (f != null)
            f.delete();
        if (fNew != null)
            fNew.delete();
    }
}

Example 42 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstCumuTest method testCumuSimple.

@Test
public void testCumuSimple() {
    Scope.enter();
    try {
        Session sess = new Session();
        new TestFrameBuilder().withName("$fr", sess).withColNames("c1", "c2", "c3", "c4").withDataForCol(0, ard(1, 1)).withDataForCol(1, ard(2, 2)).withDataForCol(2, ard(3, 3)).withDataForCol(3, ard(4, 4)).build();
        Val val = Rapids.exec("(cumsum $fr 1)", sess);
        Assert.assertTrue(val instanceof ValFrame);
        Frame res = Scope.track(val.getFrame());
        Assert.assertEquals(res.vec(0).at8(0L), 1);
        Assert.assertEquals(res.vec(1).at8(0L), 3);
        Assert.assertEquals(res.vec(2).at8(0L), 6);
        Assert.assertEquals(res.vec(3).at8(0L), 10);
        val = Rapids.exec("(cumsum $fr 0)", sess);
        Assert.assertTrue(val instanceof ValFrame);
        res = Scope.track(val.getFrame());
        Assert.assertEquals(res.vec(0).at8(1L), 2);
        Assert.assertEquals(res.vec(1).at8(1L), 4);
        Assert.assertEquals(res.vec(2).at8(1L), 6);
        Assert.assertEquals(res.vec(3).at8(1L), 8);
        val = Rapids.exec("(cummax $fr 1)", sess);
        Assert.assertTrue(val instanceof ValFrame);
        res = Scope.track(val.getFrame());
        Assert.assertEquals(res.vec(0).at8(0L), 1);
        Assert.assertEquals(res.vec(1).at8(0L), 2);
        Assert.assertEquals(res.vec(2).at8(0L), 3);
        Assert.assertEquals(res.vec(3).at8(0L), 4);
    } finally {
        Scope.exit();
    }
}

Example 43 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstMeanTest method testRowwiseMeanOnFrameWithTimeAndNumericColumn.

@Test
public void testRowwiseMeanOnFrameWithTimeAndNumericColumn() {
    Frame fr = register(new Frame(Key.<Frame>make(), ar("t1", "i1"), aro(vt1, vi1)));
    Val val = Rapids.exec("(mean " + fr._key + " 1 1)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertColFrameEquals(ard(-1, -2, 0, 2, 1), res);
}

Example 44 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstMeanTest method testColumnwiseMeanOnEmptyFrame.

@Test
public void testColumnwiseMeanOnEmptyFrame() {
    Frame fr = register(new Frame(Key.<Frame>make()));
    Val val = Rapids.exec("(mean " + fr._key + " 0 0)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertEquals(res.numCols(), 0);
    assertEquals(res.numRows(), 0);
}

Example 45 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstMeanTest method testRowwiseMeanWithoutNaRmAndNonnumericColumn.

@Test
public void testRowwiseMeanWithoutNaRmAndNonnumericColumn() {
    Frame fr = register(new Frame(Key.<Frame>make(), ar("i1", "d1", "d2", "d3", "s1"), aro(vi1, vd1, vd2, vd3, vs1)));
    Val val = Rapids.exec("(mean " + fr._key + " 0 1)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertColFrameEquals(ard(Double.NaN, Double.NaN, Double.NaN, Double.NaN, Double.NaN), res);
    assertEquals("mean", res.name(0));
}