Doing principle component analysis on political views to try to determine the number of axes required to account for variability in political views is an inter

Doing principle component analysis on political views to try to determine the number of axes required to account for variability in political views is an interesting endeavour. e.g. https://www.researchgate.net/figure/PRINCIPAL-COMPONENT-ANALYSIS-OF-POLITICAL-ISSUES_tbl2_231844735/amp https://www.researchgate.net/figure/PRINCIPAL-COMPONENT-ANAL... https://escholarship.org/content/qt1c192923/qt1c192923.pdf?t=oka589&v=lg https://escholarship.org/content/qt1c192923/qt1c192923.pdf?t...