That worked a treat, thanks. Not sure why I did not look there first? Thank you so much. ods graphics on; proc probit data=combined c=0.5 optc plots=(predpplot ippplot); model sex = temp / dist=logistic; output out=results p=p_hat; run; ods graphics off; Analysis of Maximum Likelihood Parameter Estimates Standard 95% Confidence Chi- Parameter DF Estimate Error Limits Square Pr > ChiSq Intercept 1 -80.3676 24.0010 -127.409 -33.3266 11.21 0.0008 TEMP 1 2.3631 0.7007 0.9898 3.7365 11.37 0.0007 _C_ 1 0.5047 0.0191 0.4673 0.5421
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