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multivariate.Rpres
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multivariate.Rpres
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multivariate analysis
========================================================
author: I. Bartomeus
date: January 2019
autosize: true
PCA
========================================================
Is used to summarize the information contained in a continuous (i.e, quantitative) multivariate data by reducing the dimensionality of the data without loosing important information.
- plotting: http://www.sthda.com/english/rpkgs/factoextra/
NMDS
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![1d](https://jslefche.files.wordpress.com/2012/10/axis1.png)
NMDS
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![2d](https://jslefche.files.wordpress.com/2012/10/axis2.png)
NMDS
========================================================
![3d](https://jslefche.files.wordpress.com/2012/10/axis3.png)
NMDS
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- Uses ranks (non-parametric)
Resources
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- Super complete guide on multivariate analysis: https://sites.google.com/site/mb3gustame/