R Tutorials

Introduction to R

Learn the basics of R, a programming language and free software environment for statistical computing and graphics.

FUNCTIONS in R

Introduction to R

A key feature of R is functions. Functions are “self contained” modules of code that usually take in some data, process it, and return a result.

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Objects in R

Introduction to R

Objects in R

In R, all types of data are treated as objects. Start creating some objects in R.

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VECTORS

DATA FRAMES

Objects in R

A vector is a sequence of data elements of the same basic type.

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MATRICES

DATA FRAMES

A matrix is a collection of data elements arranged in a two-dimensional rectangular layout.

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DATA FRAMES

A data frame is more general than a matrix, in that different columns can have different basic data types. Data frame is the most common data type we will be using.

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