This book is a practical guide for librarians, which will introduce techniques to enable you to manipulate data needed for reporting and decision making. The techniques enable assembly of data sets from different sources to support decisions. It is a cradle to grave discussion of issues and techniques in data gathering, cleaning, preparation and presentation.
A co-worker stops by your office, smiles and says, “I want to compare two databases for journal overlap and unique titles. Is there a way to get a list, or do I have to compare each side by side?”
You think about it for a second and realize that reviewing three lists will save ...