International Journal of Computer Applications
Data mining has emerged as most significant and continuously evolving field of research because of its ever growing and far reaching applications into various areas such as medical, military, financial markets, banking etc. One of the most useful applications of data mining is extracting significant and earlier unknown knowledge from real-world databases. This knowledge may be in the form of rules. Rule generation' from raw data is a very effective and most widely used tool of data mining. Real life data are frequently imperfect, erroneous, incomplete, uncertain and vague. There are so many approaches for handling missing attribute values.