An Efficient Punched-Card Method of ComputingS X, SX 2, SXY, and Higher Moments  

Oleh:

Ellis, Max E. ; Riopelle, Arthur J.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 13 no. 2 (Jun. 1948), page 79-85.
Topik: Punched-Card Method; Numerical Example; Computing Higher Moments
Fulltext: An Efficient Punched-Card Method of ComputingS X, SX 2, SXY, and Higher Moments.pdf (375.97KB)

Isi artikel

A method of computing SX, SX 2, SXY and higher moments on IBM equipment is described. The basic method is that of successively summary punching, collating a variable number of blank cards behind these summary cards, gang-punching the data from the summary cards into the blank cards, and totalling the entries on these summary cards. The method appears to have several advantages over those previously described, especially if coded data are used.

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