Handbook of Statistical Analysis and Data Mining Applications

Tutorial G

Text Mining

Automobile Brand Review Using STATISTICA Data Miner and Text Miner

Sachin Lahoti, Kiron Mathew and Edited by Gary Miner, Ph.D.

OUTLINE

Introduction

Text Mining

Car Review Example

Interactive Trees (C&RT, CHAID)

Other Applications of Text Mining

Conclusion

Introduction

Data mining has played a promising role in the extraction of implicit, previously unknown, and potentially useful information from databases (structured data). However, it is estimated that around 80% of the data in an organization is in unstructured form. Data trapped in “text form” (unstructured data) also express a vast and rich source of such information. Text mining is all about analyzing text for extracting information from unstructured data.