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




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).


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


Hi @sharad, could you provide a link?