 ## 50 R Language Tips

50 R Language Tips Things I Wish I Knew When I Started Out With R Here are 50 R tips that we hope will be useful through your journey in…

## Decision Tree

Decision Tree Introduction A decision tree is a decision support tool that uses a tree-like graph or model of decisions and their possible consequences, including chance event outcomes, resource costs,…

## Random Forest

CART (Classification and Regression Trees) An Introduction and Motivation for choosing CART: Two of the very basic ideas behind any algorithm used for predictive analysis are : - prediction on…

## Step by step implementation of Grammar of Graphics in R

In previous article we discussed about qplot() which is analogy of plot(). Here in this tutorial we will cover ggplot2().

## Introduction to ggplot2.

#### What is ggplot2 ?

• It is a package in R.
• An implementation of the grammar of graphics.
• It is a ‘third’ graphics system for R(along with base and lattice), build based upon the grid system.
• Available from CRAN via install.package().

## How to do cox(PH) regression modelling using R?

Definition: Cox regression (or proportional hazards regression) is a method for investigating (more…)

## How to do factor Analysis using R?

Factor analysis aim to  provide usable numerical values for quantities such as intelligence or social status that are not directly measurable. (more…)

## Time series Forecasting using simple exponential smoothing method using R?

Forecast meaning predicting future with the help of provided data material. Forecasting in R can be done with Simple exponential smoothing method and using forecast (more…)