# About model.differential analysis

**URL:** <https://discourse.scverse.org/t/about-model-differential-analysis/1264>\
**Category:** scvi-tools\
**Tags:** diff-exp, scvi\
**Created:** [March 26, 2023, 3:20pm UTC](https://discourse.scverse.org/t/about-model-differential-analysis/1264 "2023-03-26T15:20:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bathe](https://avatars.discourse-cdn.com/v4/letter/b/51bf81/32.png) [@bathe](https://discourse.scverse.org/u/bathe)\
**Post date:** [March 26, 2023, 3:20pm UTC](https://discourse.scverse.org/t/about-model-differential-analysis/1264/1 "2023-03-26T15:20:31Z")

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How do I do if I want to find out differential expressed genes between groups for each cell type.

Btw, Im still a bit confused about the difference between the “group” and the “idx” parameter.

Thanks for ur help!