# Learn R: Introduction

Learn the basics of R Syntax and jumpstart your journey into data analysis.

Start## Key Concepts

Review core concepts you need to learn to master this subject

NA Data Type in R

R Logical Data Type

R Comments

R’s Character Data Type

Mathematical Operations in R

R Data Types

R Conditional Statements

Assignment Operator in R

NA Data Type in R

NA Data Type in R

R conveys an absence of value with the keyword NA (no quotes). There is a numeric NA, a character NA, and a logical NA. Each means a non value within its context.

Introduction to R Syntax

Lesson 1 of 1

## What you'll create

Portfolio projects that showcase your new skills

## How you'll master it

Stress-test your knowledge with quizzes that help commit syntax to memory