use of org.apache.sysml.api.mlcontext.Script in project incubator-systemml by apache.
the class MLContextTest method testOutputJavaRDDStringCSVSparseDML.
/**
* Reading from dense and sparse matrices is handled differently, so we have
* tests for both dense and sparse matrices.
*/
@Test
public void testOutputJavaRDDStringCSVSparseDML() {
System.out.println("MLContextTest - output Java RDD String CSV Sparse DML");
String s = "M = matrix(0, rows=10, cols=10); M[1,1]=1; M[1,2]=2; M[2,1]=3; M[2,2]=4; print(toString(M));";
Script script = dml(s).out("M");
MLResults results = ml.execute(script);
JavaRDD<String> javaRDDStringCSV = results.getJavaRDDStringCSV("M");
List<String> lines = javaRDDStringCSV.collect();
Assert.assertEquals("1.0,2.0", lines.get(0));
Assert.assertEquals("3.0,4.0", lines.get(1));
}
use of org.apache.sysml.api.mlcontext.Script in project incubator-systemml by apache.
the class MLContextTest method testDataFrameSumPYDMLDoublesWithNoIDColumnNoFormatSpecified.
@Test
public void testDataFrameSumPYDMLDoublesWithNoIDColumnNoFormatSpecified() {
System.out.println("MLContextTest - DataFrame sum PYDML, doubles with no ID column, no format specified");
List<String> list = new ArrayList<String>();
list.add("2,2,2");
list.add("3,3,3");
list.add("4,4,4");
JavaRDD<String> javaRddString = sc.parallelize(list);
JavaRDD<Row> javaRddRow = javaRddString.map(new CommaSeparatedValueStringToDoubleArrayRow());
List<StructField> fields = new ArrayList<StructField>();
fields.add(DataTypes.createStructField("C1", DataTypes.DoubleType, true));
fields.add(DataTypes.createStructField("C2", DataTypes.DoubleType, true));
fields.add(DataTypes.createStructField("C3", DataTypes.DoubleType, true));
StructType schema = DataTypes.createStructType(fields);
Dataset<Row> dataFrame = spark.createDataFrame(javaRddRow, schema);
Script script = pydml("print('sum: ' + sum(M))").in("M", dataFrame);
setExpectedStdOut("sum: 27.0");
ml.execute(script);
}
use of org.apache.sysml.api.mlcontext.Script in project incubator-systemml by apache.
the class MLContextTest method testDataFrameSumPYDMLDoublesWithIDColumn.
@Test
public void testDataFrameSumPYDMLDoublesWithIDColumn() {
System.out.println("MLContextTest - DataFrame sum PYDML, doubles with ID column");
List<String> list = new ArrayList<String>();
list.add("1,1,2,3");
list.add("2,4,5,6");
list.add("3,7,8,9");
JavaRDD<String> javaRddString = sc.parallelize(list);
JavaRDD<Row> javaRddRow = javaRddString.map(new CommaSeparatedValueStringToDoubleArrayRow());
List<StructField> fields = new ArrayList<StructField>();
fields.add(DataTypes.createStructField(RDDConverterUtils.DF_ID_COLUMN, DataTypes.DoubleType, true));
fields.add(DataTypes.createStructField("C1", DataTypes.DoubleType, true));
fields.add(DataTypes.createStructField("C2", DataTypes.DoubleType, true));
fields.add(DataTypes.createStructField("C3", DataTypes.DoubleType, true));
StructType schema = DataTypes.createStructType(fields);
Dataset<Row> dataFrame = spark.createDataFrame(javaRddRow, schema);
MatrixMetadata mm = new MatrixMetadata(MatrixFormat.DF_DOUBLES_WITH_INDEX);
Script script = pydml("print('sum: ' + sum(M))").in("M", dataFrame, mm);
setExpectedStdOut("sum: 45.0");
ml.execute(script);
}
use of org.apache.sysml.api.mlcontext.Script in project incubator-systemml by apache.
the class MLContextTest method testOutputDataFrameFromMatrixDML.
@Test
public void testOutputDataFrameFromMatrixDML() {
System.out.println("MLContextTest - output DataFrame from matrix DML");
String s = "M = matrix('1 2 3 4', rows=2, cols=2);";
Script script = dml(s).out("M");
Dataset<Row> df = ml.execute(script).getMatrix("M").toDF();
Dataset<Row> sortedDF = df.sort(RDDConverterUtils.DF_ID_COLUMN);
List<Row> list = sortedDF.collectAsList();
Row row1 = list.get(0);
Assert.assertEquals(1.0, row1.getDouble(0), 0.0);
Assert.assertEquals(1.0, row1.getDouble(1), 0.0);
Assert.assertEquals(2.0, row1.getDouble(2), 0.0);
Row row2 = list.get(1);
Assert.assertEquals(2.0, row2.getDouble(0), 0.0);
Assert.assertEquals(3.0, row2.getDouble(1), 0.0);
Assert.assertEquals(4.0, row2.getDouble(2), 0.0);
}
use of org.apache.sysml.api.mlcontext.Script in project incubator-systemml by apache.
the class MLContextTest method testOutputDataFramePYDML.
@Test
public void testOutputDataFramePYDML() {
System.out.println("MLContextTest - output DataFrame PYDML");
String s = "M = full('1 2 3 4', rows=2, cols=2)";
Script script = pydml(s).out("M");
MLResults results = ml.execute(script);
Dataset<Row> dataFrame = results.getDataFrame("M");
List<Row> list = dataFrame.collectAsList();
Row row1 = list.get(0);
Assert.assertEquals(1.0, row1.getDouble(0), 0.0);
Assert.assertEquals(1.0, row1.getDouble(1), 0.0);
Assert.assertEquals(2.0, row1.getDouble(2), 0.0);
Row row2 = list.get(1);
Assert.assertEquals(2.0, row2.getDouble(0), 0.0);
Assert.assertEquals(3.0, row2.getDouble(1), 0.0);
Assert.assertEquals(4.0, row2.getDouble(2), 0.0);
}
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