# Inconsistent behavior of \`sum\`,\`mean\` (and probably others) on different collection types

**URL:** https://discourse.julialang.org/t/inconsistent-behavior-of-sum-mean-and-probably-others-on-different-collection-types/1167
**Category:** Internals & Design
**Created:** [December 27, 2016, 7:11pm UTC](https://discourse.julialang.org/t/inconsistent-behavior-of-sum-mean-and-probably-others-on-different-collection-types/1167 "2016-12-27T19:11:45Z")
**Posts on this page:** 1
**Showing post:** 33

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### Author: ![mbauman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mbauman/32/31082_2.png) [@mbauman](https://discourse.julialang.org/u/mbauman)
#### Post date: [September 19, 2017, 4:53pm UTC](https://discourse.julialang.org/t/inconsistent-behavior-of-sum-mean-and-probably-others-on-different-collection-types/1167/33 "2017-09-19T16:53:54Z")

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2 posts were split to a new topic: [Reductions along dimension for tuples](https://discourse.julialang.org/t/reductions-along-dimension-for-tuples/5981)

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_[View the full topic](https://discourse.julialang.org/t/inconsistent-behavior-of-sum-mean-and-probably-others-on-different-collection-types/1167)._