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From "Udit Arora (JIRA)" <>
Subject [jira] [Comment Edited] (STATISTICS-7) Stream-based Java statistical processing
Date Mon, 08 Apr 2019 11:38:00 GMT


Udit Arora edited comment on STATISTICS-7 at 4/8/19 11:37 AM:

Sir Gilles. Please look at my replies. I am open to all feedback. Thanks.

was (Author: udit arora):
Sir Gilles. Please look at my replies. As always I am open to feedback. Thanks.

> Stream-based Java statistical processing
> ----------------------------------------
>                 Key: STATISTICS-7
>                 URL:
>             Project: Apache Commons Statistics
>          Issue Type: New Feature
>            Reporter: Eric Barnhill
>            Priority: Major
>              Labels: GSoC2019, gsoc2019, statistics, streams
> The new component aims to be a library of commons statistics functions synchronized
with the latest developments in the Java language, in particular Java's functional programming
> The library will make commonly used statistical functions available to an end user through
a simple grammar comparable to commons-math-statistics or scikit-learn, while under the hood
will implement Java's mapping, streaming, and other producer and consumer functions to ensure
the statistical methods run optimally in new Java implementations.
> As functional programming grows increasingly central to big data applications we believe
these libraries will play an important function in the data engineering ecosystem. In particular,
data engineering is widely done with Java, then passed to other languages for data-scientific
analyses; however, the common availability of functionally implemented statistical mapping
and reductions in Java could prove very useful at the interface of data science and engineering,
by enabling teams to more easily perform reductions on the engineering side before handing
off to the analysis side.
> Developers working on the project will have the opportunity to demonstrate Java programming,
functional programming, algorithm design, and data science skills and receive authorship on a
commons project that is likely to be widely used.
> The ideal contributor will also be able to help with important architectural decision
making. The old source of these libraries, commons-math, grew too large, hierarchically complex
and interdependent for the commons mission. The developers on this project need to make architectural
choices that will enable the statiscal code to be lightweight and reusable, with a minimum
of outside dependencies while avoiding redundancy.

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