This book is the technical book of "Big Data Analysis". This book has includeds Citation Analysis(Chapter 3-5), Clustering Analysis (Chapter3-5), the technology about Extraction of Key Papers From Clusters (Chapter3), Predicting Innovation Using Role Analysis of Key Nodes in clusters(Chapter4), Scientific Evaluation Index “O-Index" using Principal Component Analysis as a target of Journal Papers (Chapter5). Because there are sample source codes and sample format of CSV file in this book, you will be able to practice analysis.