Code:
Probit model for atrisk_only -------- True -------- Classified | D ~D | Total -----------+--------------------------+----------- + | 1 1 | 2 - | 245 2474 | 2719 -----------+--------------------------+----------- Total | 246 2475 | 2721 Classified + if predicted Pr(D) >= .5 True D defined as atrisk_only != 0 -------------------------------------------------- Sensitivity Pr( +| D) 0.41% Specificity Pr( -|~D) 99.96% Positive predictive value Pr( D| +) 50.00% Negative predictive value Pr(~D| -) 90.99% -------------------------------------------------- False + rate for true ~D Pr( +|~D) 0.04% False - rate for true D Pr( -| D) 99.59% False + rate for classified + Pr(~D| +) 50.00% False - rate for classified - Pr( D| -) 9.01% -------------------------------------------------- Correctly classified 90.96