January 2016
Intermediate to advanced
337 pages
11h 50m
English
Content preview from Text Mining and Visualization
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Introduction to the KNIME Text Processing Extension 73
FIGURE 3.9: Bag-of-words data table with an additional column with absolute term fre-
quencies.
by standard data mining methods, such as clustering or classification nodes. Usually the
transformation into numerical vectors is the final step to be handled by the Text Processing
nodes.
The /KNIME labs/Text Processing/Transformation folder of the node repository con-
tains all nodes that transform structures of data tables or that convert types of columns into
different types. The BoW Creator node can also be found in the transformation category.
The node requires a list of documents as the input table ...
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