Introduction to Data Mining Mayank Pathak

Few Definitions: Data Mining is the non trivial extraction of implicit,previously unknown and potentially useful information from the data.

Definitions (cont..) Data Mining is the search for the relationships and global patterns that exist in large databases but are hidden among vast amount of data

Definitions (cont..) Data Mining refers to using a variety of techniques to indentify nuggets of information or decision making knowledge & extracting these to make prediction, forecasting and estimation.

Knowledge Discovery Database Stages of KDD: Selection Preprocessing Transformation Data Mining Interpretation and Evaluation

Data Mining Verification Model Discovery Model Association Rule Classification Rule Clustering

Issues and Challenges in Data Mining Limited Information Noise or missing data User Interaction and prior knowledge Uncertainty Size, Updates and Irrelevant Fields

Data Mining Application Areas Business and E-Commerce Data Scientific and Engineering Data Health Care Data Multimedia Documents

Case Study