# A question ahout PCA

**URL:** <https://discourse.julialang.org/t/a-question-ahout-pca/42100>\
**Category:** Optimization (Mathematical)\
**Tags:** question\
**Created:** [June 26, 2020, 1:21pm UTC](https://discourse.julialang.org/t/a-question-ahout-pca/42100 "2020-06-26T13:21:29Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**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:** [June 26, 2020, 1:45pm UTC](https://discourse.julialang.org/t/a-question-ahout-pca/42100/2 "2020-06-26T13:45:37Z")

</div>

There have been quite a few discussions on this, use the search function on discourse to find e.g.

> [@PCA Output?](https://discourse.julialang.org/t/pca-output/22687/24):
>
> 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.

---

_[View the full topic](https://discourse.julialang.org/t/a-question-ahout-pca/42100)._