# Compositional data analysis

**URL:** <https://discourse.julialang.org/t/compositional-data-analysis/7863>\
**Category:** Statistics\
**Tags:** question, package\
**Created:** [December 19, 2017, 10:39pm UTC](https://discourse.julialang.org/t/compositional-data-analysis/7863 "2017-12-19T22:39:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![juliohm](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/juliohm/32/215266_2.png) [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Post date:** [December 19, 2017, 10:39pm UTC](https://discourse.julialang.org/t/compositional-data-analysis/7863/1 "2017-12-19T22:39:44Z")

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Any package for compositional data analysis?

> **[Compositional data](https://en.wikipedia.org/wiki/Compositional_data)**
>
> In statistics, compositional data are quantitative descriptions of the parts of some whole, conveying relative information. Mathematically, compositional data is represented by points on a simplex. Measurements involving probabilities, proportions, percentages, and ppm can all be thought of as compositional data.
> Compositional data in three variables can be plotted via ternary plots. The use of a barycentric plot on three variables graphically depicts the ratios of the three variables as positio...

I may start one if there is no work already on the way.

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**Author:** ![juliohm](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/juliohm/32/215266_2.png) [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Post date:** [December 20, 2017, 3:56pm UTC](https://discourse.julialang.org/t/compositional-data-analysis/7863/2 "2017-12-20T15:56:47Z")

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Ok, I’ve started one here: [https://github.com/juliohm/CoDa.jl](https://github.com/juliohm/CoDa.jl)