DataPreparator for Windows

DataPreparator is a free software tool designed to assist with common tasks of data preparation (or data preprocessing) in data analysis and data mining. Its provides a variety of techniques for data cleaning, transformation, and exploration,chaining of preprocessing operators into a flow graph (operator tree),handling of large volumes of data (since data sets are not stored in the computer memory),stand alone tool independent of any other tools and user friendly graphical user interface.

DataPreparator can assist you with exploring and preparing data in various ways prior to data analysis or data mining. It includes operators for cleaning, discretization, numeration, scaling, attribute selection, missing values, outliers, statistics, visualization, balancing, sampling, row selection, and several other tasks.