You can use the METHOD=MAC algorithm to reverse the scorings of some rating variables before a factor analysis. The correlations among bipolar ratings such as 'like - dislike', 'hot - cold', and ...

“If the messages were integrity protected, a field such as DE64 would likely include a MAC (message authentication code). As the standard does not define the algorithm, the MAC algorithm is ...

The Maximum Average Correlation (MAC) Method The MAC method (de Leeuw 1985) uses an iterated constrained multiple regression algorithm in an attempt to maximize the average of the elements of the ...