# Feature sets: mappings and purpose of FNCv3

**URL:** <https://forum.numer.ai/t/feature-sets-mappings-and-purpose-of-fncv3/5835>\
**Category:** Tournament\
**Created:** [November 8, 2022, 8:27pm UTC](https://forum.numer.ai/t/feature-sets-mappings-and-purpose-of-fncv3/5835 "2022-11-08T20:27:30Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![mic](https://yyz1.discourse-cdn.com/flex009/user_avatar/forum.numer.ai/mic/32/2949_2.png) [@mic](https://forum.numer.ai/u/mic)\
**Post date:** [November 9, 2022, 7:10pm UTC](https://forum.numer.ai/t/feature-sets-mappings-and-purpose-of-fncv3/5835/2 "2022-11-09T19:10:55Z")

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Maybe this can help for the first part of your question

> [@Mapping of feature names from legacy to new](http://forum.numer.ai/t/mapping-of-feature-names-from-legacy-to-new/4661/4):
>
> Updated with mapping for v3 to v4.

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