R

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 techniques can be used in a sample only when the …

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 package is IndianTaxCalc. Using this package, you can calculate Income Tax liability …

Installing R for Linux (Ubuntu, Mint, Debian, Fedora)

R is an open source programming language and software environment for statistical computing and graphics that is supported by the R Foundation for Statistical Computing. It is widely used among statisticians and data miners for developing statistical software and data analysis. Polls, surveys of data miners, and studies of scholarly literature databases show that R’s popularity has increased substantially in …

how to Calculate Descriptive statistics using R

In this post I will explain you 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## (www.iamsulthan.in) ##Packages used psych and Desctools ##Following commands …