[swift-users] Implementing a few statistics functions in Swift

Georgios Moschovitis george.moschovitis at icloud.com
Sat Oct 8 13:29:33 CDT 2016

Hey everyone,

I would like to implement a few statistics functions in Swift (e.g. variance, standardDeviation, etc) that are computed over a collection.

I am aware of this library:

https://github.com/evgenyneu/SigmaSwiftStatistics <https://github.com/evgenyneu/SigmaSwiftStatistics>

My problem is that it only supports Doubles and Arrays. Also the API doesn’t look very ‘swifty' to me.

I am wondering how would someone implement such functionality in a more generic way: to allow usage of multiple collections (even custom, e.g. a RingBuffer) and multiple value types (e.g. Decimal, Double). Extra points for being 'swifty'.

Thanks in advance for any ideas.

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