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	KEEL SOFTWARE TOOL - Open Source - V2011-04-20

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KEEL Version 2011-04-20 is available now.

New features (from v2011-04-05):

	1. Corrected the Association Rules Mining by means of a genetic algorithm proposed by Alatas et al. (Alatasetal-A) algorithm in the Association Rules section.

	2. Corrected a bug in the Graphical User Interface associated to Algorithms Use Case in the Experiments section.
	
	3. Enhanced some visualization methods for regression (Vis-Regr-Check, Vis-Regr-General y Vis-Regr-Tabular) implementation in the Regression Module.
	
	4. Corrected the Multilayer Perceptron with Backpropagation Based Training (MLP-BP-R) implementation in the Neural Networks for Regression section.
	
	5. Corrected the Ensemble Neural Network for Regression Problems (Ensemble-R) implementation in the Neural Networks for Regression section.
	
	6. Added a cleaning method for irrelevant attributes in the Transformations category inside the Preprocess section.