KNIME WEKA nodes version 2.10.2.v202012020943 by KNIME AG, Zurich, Switzerland
Class implementing a GSP algorithm for discovering sequential patterns in a sequential data set. The attribute identifying the distinct data sequences contained in the set can be determined by the respective option. Furthermore, the set of output results can be restricted by specifying one or more attributes that have to be contained in each element/itemset of a sequence. For further information see: Ramakrishnan Srikant, Rakesh Agrawal (1996). Mining Sequential Patterns: Generalizations and Performance Improvements.
(based on WEKA 3.6)
For further options, click the 'More' - button in the dialog.
All weka dialogs have a panel where you can specify associator-specific parameters.
The Preliminary Attribute Check tests the underlying classifier against the DataTable specification at the inport of the node. Columns that are compatible with the classifier are marked with a green 'ok'. Columns which are potentially not compatible are assigned a red error message.
Important: If a column is marked as 'incompatible', it does not necessarily mean that the classifier cannot be executed! Sometimes, the error message 'Cannot handle String class' simply means that no nominal values are available (yet). This may change during execution of the predecessor nodes.
Capabilities: [Nominal attributes, Binary attributes, Unary attributes, Empty nominal attributes, No class] Dependencies:  min # Instance: 1
D: If set, algorithm is run in debug mode and may output additional info to the console
S: The miminum support threshold. (default: 0.9)
I: The attribute number representing the data sequence ID. (default: 0)
F: The attribute numbers used for result filtering. (default: -1)
To use this node in KNIME, install KNIME Weka Data Mining Integration (3.6) from the following update site:
A zipped version of the software site can be downloaded here.
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