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I am currently an educational/statistical consultant for SPSS, an IBM Co. I am an IBM Certified trainer in SPSS and Modeler and teach SPSS and Modeler classes part-time for IBM. I retired from IRS in Dec. 2007, after 32 years with the U.S. Federal Government.
At IRS, I was known as “Mr. DIF” because of my leadership, oversight, and hands-on development of IRS’ discriminant function (DIF) models for selecting all types of compliance workload. At IRS, I also accumulated extensive experience in: 1) other case selection and resource allocation modeling; 2) tax gap and tax compliance research analysis and modeling; 3) business measures development, monitoring, and analysis; 4) sample survey design and analysis; and, 5) customer satisfaction survey design and market segment analysis.
I have exceptional leadership, project management, and statistical analysis and modeling skills, and I am proficient in SPSS software (using it for statistical analysis and modeling) and Modeler software (using it for statistical analysis and modeling and for text and data mining). I am also pretty proficient in Microsoft Word, Excel, PowerPoint and Visual Basic.
My degree is in Statistics and I spent 32 years at IRS conducting various research projects---10 years as a mathematical statistician and 22 years as a research manager. Currently, as an independent contractor, I teach SPSS and Modeler for IBM. I teach 22 different classes, ranging from simply how to use the SPSS and the Modeler software to how to use SPSS to conduct complex statistical analysis and modeling and how to use the Modeler software to do data mining and text mining. I have been teaching these subjects since June 2008, after I retired from IRS.
My degree is in Statistics and I spent 32 years at IRS conducting various research projects---10 years as a mathematical statistician and 22 years as a research manager. My expertise is in 2 areas: 1) statistical analysis (from simple stats like averages, confidence intervals, & t-tests to more complex stats like ANOVA & factor and cluster analysis); and, 2) statistical modeling (primarily regression and discriminant analysis). Currently, as an independent contractor, I teach statistical analysis and modeling and data mining for IBM.
Highly Recommend! — Donald was not only extremely knowledgeable in helping me with my Ph.D. level statistics research practicum, but also down to earth. He was extremely timely in returning correspondence. He was easy to talk to and I felt comfortable asking him any questions I had. He found a way to make things easier to understand because he meets you at the level you are. I would definitely recommend him and plan ...
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