A Fast Approximate Algebraic Factor Rotation Method to Maximize Agreement Between Loadings and Predetermined Weights  

Oleh:

Rodgers, David A.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 22 no. 2 (Jun. 1957), page 199-205.
Topik: Algebraic Factor Rotation; Method to Maximize Agreement; Loadings and Predetermined Weights; Derivation of Formulas; Sample Calculation
Fulltext: Vol 22 No. 2 June 1957 p.199-205.pdf (225.87KB)

Isi artikel

A method of rotating a set of orthogonal axes into a reference frame on which loadings are as nearly proportional to a predetermined set of weights as possible is presented. The method, an approximate algebraic solution, often requires some additional graphical refinement but eliminates most of the rotations involved in usual graphical solutions. Its primary value is speed and ease of calculation, involving only one matrix multiplication and solution of a simple formula to determine the rotation cosines.

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