# rarefaction analysis estimator by default

**URL:** https://forum.mothur.org/t/rarefaction-analysis-estimator-by-default/565
**Category:** Commands in mothur
**Created:** [June 8, 2011, 9:21pm UTC](https://forum.mothur.org/t/rarefaction-analysis-estimator-by-default/565 "2011-06-08T21:21:21Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Ltomassini](https://avatars.discourse-cdn.com/v4/letter/l/2acd7d/32.png) [@Ltomassini](https://forum.mothur.org/u/Ltomassini)
#### Post date: [June 8, 2011, 9:21pm UTC](https://forum.mothur.org/t/rarefaction-analysis-estimator-by-default/565/1 "2011-06-08T21:21:21Z")

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When running the “rarefaction.single” command, what is the estimator that is used by default? Is it “Sobs”?  
Thanks  
Letizia

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### Author: ![pschloss](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.mothur.org/pschloss/32/4_2.png) [@pschloss](https://forum.mothur.org/u/pschloss)
#### Post date: [June 9, 2011, 4:54pm UTC](https://forum.mothur.org/t/rarefaction-analysis-estimator-by-default/565/2 "2011-06-09T16:54:04Z")

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Yup, sobs. The others behave pretty weird and it’s not clear why

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### Author: ![Ltomassini](https://avatars.discourse-cdn.com/v4/letter/l/2acd7d/32.png) [@Ltomassini](https://forum.mothur.org/u/Ltomassini)
#### Post date: [June 10, 2011, 4:15pm UTC](https://forum.mothur.org/t/rarefaction-analysis-estimator-by-default/565/3 "2011-06-10T16:15:09Z")

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Great!  
Thank you very much!  
Letizia