Protean-A Comprehensive CD 3200/3600 Program for Nonlinear Factor Analysis

Author(s):

McDonald, Roderick P.

Publication Year:

1967

Report Number:

RM-67-26

Source:

ETS Research Memorandum

Document Type:

Report

Page Count:

29

Subject/Key Words:

Computer Software, Factor Analysis, Nonlinear Models, PROTEAN

Abstract

A general theory of nonlinear factor analysis has been developed, numerical methods for a number of cases of this theory have been described, and computer programs for some of these cases have been made available. The object of this Memorandum is to describe a new computer program for nonlinear factor analysis, PROTEAN (PRoduct/Polynomial ROtation TEst ANalysis), which effectively supersedes the programs previously described, in that it incorporates virtually all the work of these programs and also includes a number of new possibilities. The opportunity will be taken to revise certain earlier processing recommendations which are now believed to be not the best possible.

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