Dear all,
Thanks for your reading!I’m a student who is learning population pharmacokinetic modeling using Phoenix NLME. Now I have trouble in the model diagnostic diagram CWRES-IVAR and CWRES-TAD. In my diagrams the blue line always has a trend but the other model evaluation methods can be able to meet standards, and there's nothing I can do to improve it. Can you give me some advice?
Hope for your answers! Grateful!