The node behaves the same as a combination of the Sorter node followed by a Row Filter that only keeps the first k rows of the table except for the order of the rows which depends on the Output order settings. Note, however, that the implementation of this node is more efficient then the node combination above. In the dialog, select the columns according to which the data should be selected. For each column you can also specify whether a larger or smaller value is considered as superior.
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To use this node in KNIME, install the extension KNIME Base nodes from the below update site following our NodePit Product and Node Installation Guide:
A zipped version of the software site can be downloaded here.
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