What is R?

This post is part of 'SASnR | Introduction ' series

R is a programming language for statistical computing and graphics.

R is a free software environment for statistical computing and graphics.



Previous post
Next post

Post categories
SASnR
SDTM

List of other posts

SDTM


General
How to convert original results to standard results using conversion factors

SASnR


Introduction
What is R?
What is an R package?
What is tidyverse?
What are the core packages of tidyverse?
What is haven package of tidyverse?
How to install tidyverse?
How to load core tidyverse packages into the R session?

Reading data
Import/Read SAS dataset into R

Creating sample data
How to create some sample data in SAS and R tidyverse

Subset variables (columns)
How to select only required variables/columns in SAS and R tidyverse?
How to drop unwanted variables/columns in SAS and R tidyverse?

Subset observations (rows)
How to select/subset required rows in SAS and R tidyverse

Sort (order) observations
Sort/order observations based on the values in a single variable in SAS and R tidyverse

Transpose/Restructure data
Restructure/transpose long data to wide data
Restructure/transpose wide data to long data

Obtain frequencies
Obtain frequencies/counts based on one variable - one-way frequencies in SAS and R tidyverse
Obtain frequencies/counts based on two variables - two-way frequencies in SAS and R tidyver

Descriptive statistics
Descriptive statistics for a numeric variable using SAS and R tidyverse