1. Data Preprocessing for Supervised Leaning;Kotsiantis S. B.;World Academy of Science, Engineering and Technology,2007
2. https://archive.ics.uci.edu/ml/about.html {Accessed 10 May 2015}. https://archive.ics.uci.edu/ml/about.html {Accessed 10 May 2015}.
3. https://archive.ics.uci.edu/ml/datasets/Mammographic+Mass. {Accessed 10 May 2015}. https://archive.ics.uci.edu/ml/datasets/Mammographic+Mass. {Accessed 10 May 2015}.
4. https://archive.ics.uci.edu/ml/datasets/ILPD+%28Indian+Liver+Patient+Dataset%29 {Accessed 10 May 2015}. https://archive.ics.uci.edu/ml/datasets/ILPD+%28Indian+Liver+Patient+Dataset%29 {Accessed 10 May 2015}.