# Expression\_cutoff optiion from scanpy.pl.dotplot function

**URL:** https://discourse.scverse.org/t/expression-cutoff-optiion-from-scanpy-pl-dotplot-function/1786
**Category:** scanpy
**Tags:** developer
**Created:** [September 28, 2023, 5:05pm UTC](https://discourse.scverse.org/t/expression-cutoff-optiion-from-scanpy-pl-dotplot-function/1786 "2023-09-28T17:05:16Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![fadhlyemen](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.scverse.org/fadhlyemen/32/817_2.png) [@fadhlyemen](https://discourse.scverse.org/u/fadhlyemen)
#### Post date: [September 28, 2023, 5:05pm UTC](https://discourse.scverse.org/t/expression-cutoff-optiion-from-scanpy-pl-dotplot-function/1786/1 "2023-09-28T17:05:16Z")

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I have a question regarding the expression\_cutoff option from scanpy.pl.dotplot function.  
when and when not I should use this threshold?  
I got different results when I set a threshold.

Thank you