# Explanation of StatsThroughSkills variants?

**URL:** <https://discourse.cataclysmdda.org/t/explanation-of-statsthroughskills-variants/13489>\
**Category:** The Lab\
**Created:** [March 4, 2017, 7:06pm UTC](https://discourse.cataclysmdda.org/t/explanation-of-statsthroughskills-variants/13489 "2017-03-04T19:06:39Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Zhilkin](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/zhilkin/32/3749_2.png) [@Zhilkin](https://discourse.cataclysmdda.org/u/Zhilkin)\
**Post date:** [May 21, 2018, 10:00am UTC](https://discourse.cataclysmdda.org/t/explanation-of-statsthroughskills-variants/13489/4 "2018-05-21T10:00:03Z")

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`StatsThroughSkills III` and `StatsThroughSkills IV` mods downloaded through CDDA launcher have exactly same formulas. There is only slight diifference in the lua code - version IV uses `efftype_id` type and will probably work in more recent experimental versions of CDDA. Bonus stats are applied through effects and are recalculated once a day using `on_day_passed` callback.

`StatsThroughSkills`mod shipped with experimental CDDA have different formulas. Bonus stats are added directly to base stats and recalculated once a day using `on_day_passed`callback, on new game start using `on_new_player_created` callback and after any skill is increased using `on_skill_increased` callback. There is also migration code from some older original version of the same mod. This version supports having any initial stats (either 8 8 8 8 or other combinations).

Some more info in the threads below:

> [@StatsThroughSkills I-IV?](https://discourse.cataclysmdda.org/t/statsthroughskills-i-iv/14390):
>
> So what I read is you only use one of them. I couldn’t find any info about the diffferences on the forum, only that they “recalculate differently” and stuff along those lines. In my first game I just had all of them active, not knowing that they are just variants. I don’t care about them being OP (another thing i read several times), I just like the idea of having that, but not sure which one to take. Can somebody please clarify the basic differences for me? Thanks. Sidenote: Not sure if i…

> [@StatsThroughSkills II](https://discourse.cataclysmdda.org/t/statsthroughskills-ii/10627):
>
> Ok so here loved the idea of this mod but it felt like it had a ‘few’ minor problems… so here looked around for ways here could possible change the flaws and the results are [http://puu.sh/kuqu6.zip](http://puu.sh/kupoo.zip) (edit, minor oversight fixed) Changing it form editing your base stats to 4 invisible status effects to remove removing the ability to steal base points, for skills, The problem i see now with it is it now will always have your stats highlighted in green… Any flaws here might of missed? (side form…

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