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Our offices will be closed from Monday, December 23rd, to Wednesday, January 1st. Normal operations, including order shipping, will resume on Thursday, January 2nd. For technical support during this time, visit our support page.

Jeffrey B. Cromwell Design of Harmony (Chandler, AZ), West Virginia University, USA

Dr. Jeff B. Cromwell is a graduate of West Virginia University with research interests in computational statistics, econometrics and time series analysis.