These results suggest that to predict aisle-crossing Republicans it would be useful to check for usage of typically Democrat-associated frames, especially if those frames are infrequently used by Republicans.
other works focus on identifying and measuring political ideologies (Iyyer et al., 2014;Bamman and Smith, 2015;Sim et al., 2013), policies (Nguyen et al., 2015, and voting patterns (Gerrish and Blei, 2012).