Baunsgaard commented on code in PR #2089:
URL: https://github.com/apache/systemds/pull/2089#discussion_r1741808971
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src/main/python/systemds/operator/nodes/matrix.py:
##########
@@ -259,6 +259,23 @@ def var(self, axis: int = None) -> 'OperationNode':
raise ValueError(
f"Axis has to be either 0, 1 or None, for column, row or complete
{self.operation}")
+ def unique(self, axis: int = None) -> 'Matrix':
+ """Returns the unique values for the complete matrix, for each row or
for each column.
+
+ :param axis: can be 0 or 1 to do either row or column uniques
+ :return: `Matrix` representing operation
+ """
+ if axis == 0:
+ named_input_nodes = {"dir": '"c"'}
+ return Matrix(self.sds_context, 'unique', [self],
named_input_nodes=named_input_nodes)
+ elif axis == 1:
+ named_input_nodes = {"dir": '"r"'}
+ return Matrix(self.sds_context, 'unique', [self],
named_input_nodes=named_input_nodes)
+ elif axis is None:
+ return Matrix(self.sds_context, 'unique', [self])
+ raise ValueError(
Review Comment:
error tests.
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