Java Code Examples for org.datavec.api.transform.ColumnType#NDArray
The following examples show how to use
org.datavec.api.transform.ColumnType#NDArray .
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Example 1
Source File: NDArrayColumnsMathOpTransform.java From DataVec with Apache License 2.0 | 6 votes |
@Override protected ColumnMetaData derivedColumnMetaData(String newColumnName, Schema inputSchema) { //Check types for (int i = 0; i < columns.length; i++) { if (inputSchema.getMetaData(columns[i]).getColumnType() != ColumnType.NDArray) { throw new RuntimeException("Column " + columns[i] + " is not an NDArray column"); } } //Check shapes NDArrayMetaData meta = (NDArrayMetaData) inputSchema.getMetaData(columns[0]); for (int i = 1; i < columns.length; i++) { NDArrayMetaData meta2 = (NDArrayMetaData) inputSchema.getMetaData(columns[i]); if (!Arrays.equals(meta.getShape(), meta2.getShape())) { throw new UnsupportedOperationException( "Cannot perform NDArray operation on columns with different shapes: " + "Columns \"" + columns[0] + "\" and \"" + columns[i] + "\" have shapes: " + Arrays.toString(meta.getShape()) + " and " + Arrays.toString(meta2.getShape())); } } return new NDArrayMetaData(newColumnName, meta.getShape()); }
Example 2
Source File: NDArrayColumnsMathOpTransform.java From deeplearning4j with Apache License 2.0 | 6 votes |
@Override protected ColumnMetaData derivedColumnMetaData(String newColumnName, Schema inputSchema) { //Check types for (int i = 0; i < columns.length; i++) { if (inputSchema.getMetaData(columns[i]).getColumnType() != ColumnType.NDArray) { throw new RuntimeException("Column " + columns[i] + " is not an NDArray column"); } } //Check shapes NDArrayMetaData meta = (NDArrayMetaData) inputSchema.getMetaData(columns[0]); for (int i = 1; i < columns.length; i++) { NDArrayMetaData meta2 = (NDArrayMetaData) inputSchema.getMetaData(columns[i]); if (!Arrays.equals(meta.getShape(), meta2.getShape())) { throw new UnsupportedOperationException( "Cannot perform NDArray operation on columns with different shapes: " + "Columns \"" + columns[0] + "\" and \"" + columns[i] + "\" have shapes: " + Arrays.toString(meta.getShape()) + " and " + Arrays.toString(meta2.getShape())); } } return new NDArrayMetaData(newColumnName, meta.getShape()); }
Example 3
Source File: NDArrayMetaData.java From DataVec with Apache License 2.0 | 4 votes |
@Override public ColumnType getColumnType() { return ColumnType.NDArray; }
Example 4
Source File: NDArrayAnalysis.java From DataVec with Apache License 2.0 | 4 votes |
@Override public ColumnType getColumnType() { return ColumnType.NDArray; }
Example 5
Source File: NDArrayMetaData.java From deeplearning4j with Apache License 2.0 | 4 votes |
@Override public ColumnType getColumnType() { return ColumnType.NDArray; }
Example 6
Source File: NDArrayAnalysis.java From deeplearning4j with Apache License 2.0 | 4 votes |
@Override public ColumnType getColumnType() { return ColumnType.NDArray; }