Andy Kin On Wong

2 Questions 16 Answers 0 Followers

Questions related from Andy Kin On Wong

How common is a perfect diagnostic measure (100% Sens, Spec, PPV, NPV, AUC)?

I've performed analyses on a series of variables, 3 of which yielded 100% sensitivity, 100% specificity, 100% positive predictive value, 100% negative predictive value, AUC of 1.0 (1.0,1.0). I did...

08 August 2015 5,953 7 View

Some of my PROC CALIS latent growth curve models failed to optimize at any # of function calls. Is this a common problem?

Can it be fixed without defining initial estimates or respecification? I entered NLOPTIONS MINITER=## and got down to 2 consecutive integers hoping something in between would allow the model to...

04 April 2015 5,949 3 View