# PCA Output?

**URL:** <https://discourse.julialang.org/t/pca-output/22687>\
**Category:** Statistics\
**Created:** [April 3, 2019, 11:13am UTC](https://discourse.julialang.org/t/pca-output/22687 "2019-04-03T11:13:22Z")\
**Posts on this page:** 6\
**Page:** 2

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**Author:** ![piever](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/piever/32/1815_2.png) [@piever](https://discourse.julialang.org/u/piever)\
**Post date:** [April 5, 2019, 10:33pm UTC](https://discourse.julialang.org/t/pca-output/22687/21 "2019-04-05T22:33:37Z")

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> [@Zach\_Christensen](#):
>
> Would StatsPlots be a more appropriate place for the plotting features discussed here?

A rule of thumb is that if the recipe is based on functionality from one of the “StatsKit packages” [https://github.com/JuliaStats/StatsKit.jl/blob/master/src/StatsKit.jl](https://github.com/JuliaStats/StatsKit.jl/blob/master/src/StatsKit.jl), then it generally makes sense to have it in StatsPlots.

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**Author:** ![kevbonham](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/kevbonham/32/216165_2.png) [@kevbonham](https://discourse.julialang.org/u/kevbonham)\
**Post date:** [April 6, 2019, 10:54am UTC](https://discourse.julialang.org/t/pca-output/22687/22 "2019-04-06T10:54:52Z")

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> [@Zach\_Christensen](#):
>
> but creating additional packages for displaying information that’s already there seems odd to me.

Yeah, not the best idea I’ve ever had. My point was more along the lines of “if you don’t like the decisions that have been made, you can make a package to get what you want. Others might use it too.” I like the idea of a verbose argument, and if the package maintainers are amenable a PR is definitely a better way to go 🙂

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**Author:** ![Zach\_Christensen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/zach_christensen/32/7220_2.png) [@Zach\_Christensen](https://discourse.julialang.org/u/Zach_Christensen)\
**Post date:** [April 7, 2019, 6:48pm UTC](https://discourse.julialang.org/t/pca-output/22687/23 "2019-04-07T18:48:17Z")

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Got things started with a pull request in MultivariateStats [Additional `show` info for PCA by Tokazama · Pull Request #90 · JuliaStats/MultivariateStats.jl · GitHub](https://github.com/JuliaStats/MultivariateStats.jl/pull/90).

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**Author:** ![Gunter\_Faes](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gunter_faes/32/12580_2.png) [@Gunter\_Faes](https://discourse.julialang.org/u/Gunter_Faes)\
**Post date:** [April 7, 2019, 8:39pm UTC](https://discourse.julialang.org/t/pca-output/22687/24 "2019-04-07T20:39:42Z")

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To support this request:

> …so better check that we don’t choose an approach/terminology which is only familiar to psychologists.

The use of the function from the _psych_ package is widespread and I would say it is common knowledge among R users.

> …ike factor analysis.

Factor analysis is also affected. The output of the model estimate is very similar.

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**Author:** ![wildart](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/wildart/32/57_2.png) [@wildart](https://discourse.julialang.org/u/wildart)\
**Post date:** [February 17, 2022, 2:55am UTC](https://discourse.julialang.org/t/pca-output/22687/25 "2022-02-17T02:55:58Z")

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It’s finally done. A proper [summary of PCA model results](https://github.com/JuliaStats/MultivariateStats.jl/pull/90/#issuecomment-1042515822).

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**Author:** ![nilshg](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nilshg/32/2283_2.png) [@nilshg](https://discourse.julialang.org/u/nilshg)\
**Post date:** [February 17, 2022, 7:36am UTC](https://discourse.julialang.org/t/pca-output/22687/26 "2022-02-17T07:36:46Z")

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That’s persistence, thank you!

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