PaREn - The PaREn Automatic System Construction Wizard is a tool which for a given data set, automatically recommends and constructs a classification process based on certain characteristics of the data set.
Anomaly detection - The Anomaly Detection Extension for RapidMiner comprises the most well know unsupervised anomaly detection algorithms, assigning individual anomaly scores to data rows of example sets. It allows you to find data, which is significantly different from the normal, without the need for the data being labeled.