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Time 'T' in $Error

From: Katrin Volz <ankekatrin.volz>
Date: Mon, 27 Jul 2015 16:46:07 +0200

Dear NMuser,


I would like to model a PD effect using a function which includes =
time ‘ T ’.


The PD Effect is coded in $Error.

In general like this:


MyFunction = xxx + T

PDEffect = Basline * MyFunction


But ‘T’ cannot be used in $Error.


I tried to code the function with ‘T’ in $DES and rename it to use =
it in



MyFunction = xxx + T


MyNewFunction = MyFunction

PDEffect = Baseline * MyNewFunction


but it didn’t worked (to rename was not permitted by NONMEM).


Does anyone of you has an idea how to solve this problem?


Thanks and best regards.





Anke-Katrin Volz

PhD Student

Saarland University

Clinical Pharmacy

Campus C2 2 | Room 0.31

D- 66123 Saarbrücken


mail ankekatrin.volz

fon +49 [0]681 302 22 84

fax +49 [0]681 302 70 258


Received on Mon Jul 27 2015 - 10:46:07 EDT

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