R programming is a free and Open source package used for data analysis. I will show you two ways to find which version of R is installed in your system Using R/R studio Open R or R studio and type version or R.Version() This will bring you the following details platform

# R

# Error: gfortran: Command not found and non-zero exit status in R [Solved]

While installing packages in R, Linux users often come across an error stating "gfortran: Command not found" and "non-zero exit status". The absence of gfortran in your OS cause this error. This can be solved simply by installing gfortran package once. To install the gfortran use the following command Manjaro/Arch Linux users Use

# How to find Covariance between two variables using R?

Covariance is the simplest and widely used measure of correlation. We can find the covariance between two variables in R using the cov function. Covariance measures the linear relationship between two variables in a dataset. A positive covariance value indicates a positive linear relationship between the variables, and a negative

# How to Calculate Descriptive statistics using R

In this post, I will explain how to calculate basic descriptive statistics using R. The following R scripts helps to calculate descriptive statistics such as Mean, Median, Mode, Standard deviation, Standard error of the mean, Five-number summary, quartiles, percentiles, skewness and kurtosis. Packages used are psych and Desctools ##Descriptive statistics using R## ##Packages

# Multivariate normality Tests with R – Mardia's Test, Henze-Zirkler, Royston

Most multivariate techniques, such as Linear Discriminant Analysis (LDA), Factor Analysis, MANOVA and Multivariate Regression are based on an assumption of multivariate normality. So, In this post, I am going to show you how you can assess the multivariate normality for the variables in your sample. The above test multivariate

# Generating Even / Odd numbers using R

In the below tutorial I have explained how you can generate Even or Odd numbers using R. You can generate using any one of the following methods.Method 1:Generating even numbers that lie between 1 to 100 even <- seq(1,100,2)Method 2:Generating 100 odd numbers starting from 1

# Calculating Indian Income Tax using R (IndianTaxCalc) – My first R package

R is a powerful programming package that can perform many wonders with data analytics. The open platform gives the opportunity to develop package packages and share it with the world. Such that recently I created a package for calculating Income Tax in India. The name of the