12.02.2015 Views

Introduction to Introduction to Sensory Data Analysis - Camo

Introduction to Introduction to Sensory Data Analysis - Camo

Introduction to Introduction to Sensory Data Analysis - Camo

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

4. Principal Component <strong>Analysis</strong>: PCA / a) Theory<br />

Varimax Rotation<br />

The aim is <strong>to</strong> enhance interpretation<br />

Rotation works on the structured part of the data only (depends on the selected number of<br />

PCs)<br />

Total explained variance is not changed (But more evenly distributed among PCs)<br />

Scores PC2<br />

Loadings PC2<br />

1 4<br />

PC1<br />

2 3<br />

PC1<br />

Scores<br />

Loadings

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!