About the Authors

Jesus Salcedo has a PhD in psychometrics from Fordham University. He is an independent statistical consultant and has been using SPSS products for over 20 years. He is a former SPSS curriculum team lead and senior education specialist who has written numerous SPSS training courses and has trained thousands of users.

Keith McCormick is an independent data miner, trainer, conference speaker, and author. He has been using statistical software tools since the early 90s, and has been conducting training since 1997. He has been data mining and using IBM SPSS Modeler since its arrival in North America in the late 90s. He is also an expert in other packages of IBM's SPSS software suite, including IBM SPSS statistics, AMOS, and text mining. He blogs and reviews related books as well.