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

Example 21 with Val

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

the class AstMeanTest method testRowwiseMeanOnFrameWithNonnumericColumnsOnly.

@Test
public void testRowwiseMeanOnFrameWithNonnumericColumnsOnly() {
    Frame fr = register(new Frame(Key.<Frame>make(), ar("c1", "s1"), aro(vc2, vs1)));
    Val val = Rapids.exec("(mean " + fr._key + " 1 1)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertEquals("Unexpected column name", "mean", res.name(0));
    assertEquals("Unexpected column type", Vec.T_NUM, res.types()[0]);
    assertColFrameEquals(ard(Double.NaN, Double.NaN, Double.NaN, Double.NaN, Double.NaN), res);
}

Example 22 with Val

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

the class AstMeanTest method testRowwiseMeanWithoutNaRm.

@Test
public void testRowwiseMeanWithoutNaRm() {
    Frame fr = register(new Frame(Key.<Frame>make(), ar("i1", "d1", "d2", "d3"), aro(vi1, vd1, vd2, vd3)));
    Val val = Rapids.exec("(mean " + fr._key + " 0 1)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertColFrameEquals(ard(1.7 / 4, 2.9 / 4, Double.NaN, 10.3 / 4, Double.NaN), res);
    assertEquals("mean", res.name(0));
}

Example 23 with Val

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

the class AstMeanTest method testColumnwiseMeanBinaryVec.

@Test
public void testColumnwiseMeanBinaryVec() {
    assertTrue(vc1.isBinary() && !vc2.isBinary());
    Frame fr = register(new Frame(Key.<Frame>make(), ar("C1", "C2"), aro(vc1, vc2)));
    Val val = Rapids.exec("(mean " + fr._key + " 1 0)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertArrayEquals(fr.names(), res.names());
    assertArrayEquals(ar(Vec.T_NUM, Vec.T_NUM), res.types());
    assertRowFrameEquals(ard(0.6, Double.NaN), res);
}

Example 24 with Val

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

the class AstMeanTest method testRowwiseMeanOnEmptyFrame.

@Test
public void testRowwiseMeanOnEmptyFrame() {
    Frame fr = register(new Frame(Key.<Frame>make()));
    Val val = Rapids.exec("(mean " + fr._key + " 0 1)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertEquals(res.numCols(), 0);
    assertEquals(res.numRows(), 0);
}

Example 25 with Val

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

the class AstNaCntTest method testAstNaCnt.

//--------------------------------------------------------------------------------------------------------------------
// Tests
//--------------------------------------------------------------------------------------------------------------------
@Test
public void testAstNaCnt() {
    Frame f = 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("(naCnt %s)", f._key);
        // make the call to count number of NAs in frame
        Val res = Rapids.exec(x);
        // get frame without any NAs
        //      assertEquals(f.numRows()-fNew.numRows() ,2);  // 2 rows of NAs removed.
        double[] naCnts = res.getNums();
        double totalNacnts = 0;
        for (int index = 0; index < f.numCols(); index++) {
            totalNacnts += naCnts[index];
        }
        assertEquals((int) totalNacnts, 2);
    } finally {
        if (f != null)
            f.delete();
    }
}