This post is about the popular dimension reduction technique called Principal Component Analysis. It involves a little bit of theory and the step by step implementation procedure in R.

This document describes some essential data manipulation techniques that can be done using dplyr library.

This document is on some basic data manipulation techniques using dplyr library.

This plot gives the graphical proof that empirical CDF of any random variable can be used as an estimate of the original CDF F(.) when we don't have any knowledge about the form of F(.) . This notion is useful for Bootstrap technique