R


Data Visualization in R – A comprehensive Guide

1. Objective In this document we will go to discuss what is data visualization in R, it’s history, why it’s needed, where to use R data visualization. We will also cover graphics part. Along with this, we will also focus on ggplot2. 2. Introduction In R, the most appealing things are its ability to create data visualizations with just a couple of lines of code. Also, it is an art of how to turn numbers into useful knowledge. First of […]


Clustering in R – R Cluster Analysis

1. Objective In this tutorial, we will discuss clustering in R in detail with their goal, R clustering types, usages, applications of R clustering and many more. We will also cover common types of algorithms based on clustering and k means clustering in R. We use images, graphs for algorithms for clear and better understanding. 2. Introduction to R cluster analysis First of all let us see what is R clustering We can consider R clustering as the most important […]


Normal Distribution in R – Basic Probability distribution

1. Objective In this tutorial, we will be going to learn about Normal Distribution in R.we will also cover different functions which will help in generating the normal distribution.Along with this, we will also include graphs for easy representation and understanding. 2. Introduction to Normal Distribution in R Generally, it is observed that the collection of random data from independent sources is distributed normally.We get a bell shape curve on plotting a graph with the value of the variable on […]


Survival Analysis in R Programming

1. Objective In this tutorial, we will discuss Survival Analysis in R. Along with this, we will also cover syntax, usage, and functions or R survival analysis in detail. 2. Introduction to Survival Analysis in R In R, survival analysis particularly deals with predicting the time when a specific event is going to occur. It is also known as analysis of time to death. For example: To Predict the number of days a person in the last stage will survive. We […]


Array in R Programming – Array Function and ways to create array

1. Objective Through this tutorial, we will be going to learn the concept of array in R. We will also cover example to understand this concept in a better way.Along with this, we will also cover different operations which are performed on rows and columns in an R array. 2. Introduction to Array in R We use to call array in R Programming simply called the multi-dimensional Data structure. In this,  data is stored in the form of matrices, row, and […]


Top 10 Books on Data Science in R, Python and Machine Learning

1. Objective In this tutorial, you will learn about the best books on data science. That will help you in becoming Data science expert. You will learn about various data science books being suggested by experts. Such roles like Data Analyst, Data Scientist, Python Developer, Software Trainer(Python). You will get the best books to learn Data Science, R, Python and Machine Learning. 2.Introduction to Data Science and Books on Data Science Data science is not only analyzing data but it […]


T-Tests in R – Welch t-test and its uses

1. Objective In this tutorial, we will be going to learn what is T-Tests in R and why we use R t-tests. Along with this, we will also learn how to perform t-tests in R and various uses of T-Test in R. We will also learn about various types of t-test in R like one sample t-test, Welch t-test etc. 2. Introduction T-tests in R is one of the most common tests in statistics. It is being used to determine whether […]


R Data Reshaping – Reshape Function and Reshape Package

1. Objective In this tutorial, we will be going to discuss what is Data Reshaping in R and how to reshape data in R. We will also cover data frame concepts in R as R data reshaping is totally dependent on data frame. Along with this, we will also learn different properties of a data frame which will help you out in learning data reshaping concepts. 2. Introduction to R Data Reshaping R data reshaping is about changing the way […]


R Multiple Choice Questions and Answers – Part 2

Objective In our previous R blogs, we have covered each topic of R Programming language, but, it is necessary to brush up your knowledge with time. Hence to keep this in mind we have planned R multiple choice questions and answers. This R online quiz will help you to revise your R concepts. All these R quiz questions are designed along with their answers to help you. R Multiple Choice Questions and Answers to test you R Programming Skills If […]

R Multiple Choice Questions and Answers

R interview Questions and Answers for Freshers and Experienced

Frequently Asked R Interview Questions and Answers

Objective As we have already discussed R in deep in our previous blogs. Now in this respective blog, we will provide you 30 frequently asked R interview questions and answers including advanced terminologies to advanced long answers. These questions will definitely help you to sort out your each and every small concept. Top 30 R Interview Questions and Answers for Freshers and Experienced Q.1. Explain how you can start the R commander GUI? rcmdr command is used to start the R […]