Controlling Type I Errors Using Simultaneous Confidence Intervals to Identify Handwritten Digits

Nicolle T. Clements, Saint Joseph's University
Daniel J. O'Connell, Saint Joseph's University

ABSTRACT
This paper investigates statistical methodology for the automated recognition of handwritten digits. A handwritten digit, 0 through 9, was obtained from 42,000 participants' writing samples. These handwriting samples were digitally scanned and stored in an image database. The objective of the analysis is to create a statistical testing procedure that can be easily automated by the computer to recognize which digit was written. The testing procedure is designed to be sensitive to Type I errors and will control an overall measure of these errors through a Bonferroni correction. The procedure was constructed based off of a training portion of the data set, then applied and validated on the remaining testing portion of the data.

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Updated 03/19/2014