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Exploring Data with RapidMiner by Andrew Chisholm

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Removing attributes

Three different techniques for removing attributes are illustrated in the following sections. These are as follows:

  • Remove useless attributes by employing simple statistical techniques.
  • Weighting, which determines how much influence or weight an individual attribute has on the label. The assumption in this case is that the data is being used for a classification problem and the removal of attributes will speed up the modeling process but reduce the accuracy.
  • Model-based, which uses a classification model to determine the most predictive attributes of the label. As with weighting, the assumption is that the data is being used for classification.

Removing useless attributes

The Remove Useless Attributes operator is well named but ...

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