# How to change the range of the x and y axis on plots like iPRED vs. IWRES?

**URL:** <https://forum.certara.com/t/how-to-change-the-range-of-the-x-and-y-axis-on-plots-like-ipred-vs-iwres/4405>\
**Category:** Certara Forums\
**Created:** [June 9, 2026, 4:28pm UTC](https://forum.certara.com/t/how-to-change-the-range-of-the-x-and-y-axis-on-plots-like-ipred-vs-iwres/4405 "2026-06-09T16:28:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![\_Laboratory\_for\_Syst](https://avatars.discourse-cdn.com/v4/letter/_/7993a0/32.png) [@\_Laboratory\_for\_Syst](https://forum.certara.com/u/_Laboratory_for_Syst)\
**Post date:** [June 9, 2026, 4:28pm UTC](https://forum.certara.com/t/how-to-change-the-range-of-the-x-and-y-axis-on-plots-like-ipred-vs-iwres/4405/1 "2026-06-09T16:28:05Z")

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Right now, all of the outputs are plotted on the same axes, but they clearly shouldn’t. How can I adjust the axes to better represent the outputs, which are on different scales?

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**Author:** ![SimonDavis](https://avatars.discourse-cdn.com/v4/letter/s/d9b06d/32.png) [@SimonDavis](https://forum.certara.com/u/SimonDavis)\
**Post date:** [June 9, 2026, 4:46pm UTC](https://forum.certara.com/t/how-to-change-the-range-of-the-x-and-y-axis-on-plots-like-ipred-vs-iwres/4405/2 "2026-06-09T16:46:16Z")

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Hi - probably you want to set the scale to “autoscale Best”, but perhaps defining a custom scale would be best;

 ![image](https://us1.discourse-cdn.com/certara/original/2X/f/f41534f3056fdb204486427c6916e3025122d4c8.png)