Talk:Factor analysis/Archives/2021

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Matrices orientation

I'm confused with the fact that the matrix X introduced in "Definition" paragraph has p rows and n columns, so every column represents one specimen - contrary to the usual arrangement of data in statistics. Is it really the way how the input data are arranged in the factor analysis? — Preceding unsigned comment added by 212.67.71.116 (talk) 10:46, 12 January 2021 (UTC)