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A Simplified Punch Card Method of Determining Sums of Squares and Sums of Products

Published online by Cambridge University Press:  01 January 2025

George F. Castore  and
William S. Dye III
George F. Castore
Affiliation:
Department of Psychology, Colgate University
William S. Dye III
Affiliation:
Tabulating Department, The Pennsylvania State College
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Abstract

A simplified method of obtaining sums of squares and sums of cross products by the use of punch card equipment is described. Application of the method has revealed several advantages, which are noted.

Type
Original Paper
Information
Psychometrika , Volume 14 , Issue 3 , September 1949 , pp. 243 - 250
Copyright
Copyright © 1949 Psychometric Society

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