1. 2017-09-05 Re: [R-sig-ME] effect of adding a constant to predict r-sig-mix Don Cohen 2. 2017-09-05 Re: [R-sig-ME] effect of adding a constant to predict r-sig-mix Ben Bolker 3. 2017-09-05 [R-sig-ME] effect of adding a constant to predictor r-sig-mix Don Cohen