# How design a Contrast in EdgeR

**URL:** <https://help.galaxyproject.org/t/how-design-a-contrast-in-edger/2739>\
**Category:** usegalaxy.org support\
**Tags:** devops-administration, development-tools\
**Created:** [December 29, 2019, 8:31pm UTC](https://help.galaxyproject.org/t/how-design-a-contrast-in-edger/2739 "2019-12-29T20:31:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![amir](https://sea2.discourse-cdn.com/flex020/user_avatar/help.galaxyproject.org/amir/32/539_2.png) [@amir](https://help.galaxyproject.org/u/amir)\
**Post date:** [December 29, 2019, 8:31pm UTC](https://help.galaxyproject.org/t/how-design-a-contrast-in-edger/2739/1 "2019-12-29T20:31:28Z")

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I have a time series data and i what to DEG with edgeR. How should i chose about my Contrast.  
i put my link here to observe my problem.  
[https://usegalaxy.eu/u/amir\_sabbaghian/h/golali-arshad](https://usegalaxy.eu/u/amir_sabbaghian/h/golali-arshad)