How to use dynGraph in a "Principal Components Analysis " context?

0) Let's use the decathlon dataset of the FactoMineR package:

• library(dynGraph)
• data(decathlon)
• res.pca <- PCA(decathlon, quanti.sup = 11:12, quali.sup=13)
• dynGraph(res.pca)

1) Some examples of why you should use dynGraph (click here or here to view)

2) How to remove all the labels or some of them? How to put them back?(click here to view)

3) How to hide some points? How to put them back?(click here to view)

4) How to "customize" graphs according to external information? (click here or here to view)

5) What are the variables that are significantly correlated to your axes/variables? (click here or here to view)

6) How can I save my work? (click here to view)

7) Can I export my work? (click here to view)