Carole J Lee1, Sheridan Grant2, Elena A Erosheva3. 1. Department of Philosophy, University of Washington, Seattle, WA 98195, USA. Electronic address: c3@uw.edu. 2. Department of Statistics, University of Washington, Seattle, WA 98195, USA. 3. Department of Statistics, University of Washington, Seattle, WA 98195, USA; Center for Statistics and the Social Sciences, University of Washington, Seattle, WA 98195, USA; School of Social Work, University of Washington, Seattle, WA 98195, USA.