It was Hermann Wold, who developed computational methods for PCA  canonical correlations in the 1930s, who originated these extensions of Wright's path analysis J.christopherwestland (talk) 17:13, 28 November 2015 (UTC)
It was Hermann Wold, in the development of computational methods for PCA and canonical correlations in the 1930s, who originated these extensions of Wright's path analysis J.christopherwestland (talk) 17:13, 28 November 2015 (UTC)
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