From which material (online) can I get a good idea about principal component analysis

pca
dimensionreduction

#1

Hello,

I am having difficulty in understanding PCA and it’s implementation in R.Can someone please suggest a good pdf or online study material for this.I want to understand the concepts in this technique followed by an implementation(preferably in R).


#2

You can try study Machine learning for hackers. It has some nice R code for various ML algorithms.


#3

Hi @sharad, could you provide a link?