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Data Science

Introduction to R

4.59 (748 Ratings)

Beginner

Skill level

Free

Course cost

About this course

R is a comprehensive statistical and graphical programming language which is fast gaining popularity among data analysts. It is free and runs on a variety of platforms including Windows, Unix, and macOS. It provides an unparalleled platform for programming new statistical methods in an easy and straightforward manner. This course will be walking you through the basic concepts in R such as data types, data structures, control statements etc. along with the hands-on for each.

Skills covered

  • R commands
  • R packages
  • R functions

Course Syllabus

Intro to R

  • Agenda
  • Installing R and Variables in R
  • Data Types in R
  • Operator in R
  • Vector in R
  • List in R
  • Matrix in R
  • Array in R
  • Factor and Dataframe in R
  • Inbuilt functions and flow control statements in R
  • Summary

Course Certificate

Get Introduction to R course completion certificate from Great learning which you can share in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents.

GL Academy Sample Certificate

Introduction to R


R is a programming language created by Ross Ihaka and Robert Gentleman in 1993. R has a broad index of statistical and graphical techniques. It incorporates AI algorithms, linear regression, time series, statistic inference to give some examples. The greater part of the R libraries are written in R, yet for heavy computational errands, C, C++, and Fortran codes are preferred. 

Data Analysis with R is done in a series of steps; programming, transforming, discovering, modelling and communicating the results:

  • Programming: R is a clear and accessible programming tool
  • Transforming: R is comprised of an assortment of libraries planned explicitly for data science 
  • Discovering: Investigate the information, refine your theory and examine them 
  • Modeling: A wide array of tools is available in R to capture the right model for your data
  • Communicate: Integrate codes, graphs, and yields to a report with R Markdown or create flashy applications to share with the world. 

What is R utilised for? 

  • Statistical Inference 
  • Machine Learning Algorithm
  • Data Analysis

R is the world's most popular programming language. It is the most preferred choice of data scientists and is supported by an expert and gifted network of professionals. R is educated in universities and conveyed in strategic business applications. 

R fundamental Syntax 

R Programming is a very popular programming language that is broadly utilized in data analysis. The manner by which we characterize its code is very basic. The "Welcome World!" is the fundamental program for all the dialects, and now we will understand the language structure of R programming with the "Welcome world" program. We can write our code either in the order prompt, or we can utilize an R script document. 

R data types 

While coding in any programming language, you have to utilise various variables to store various data. Variables are the reserved memory areas to store information. This implies that when you create a variable you reserve some space in memory. 

In contrast to other programming languages like C and java in R, the variables are not declared as some data type. The variables are appointed with R-Objects and the data type of the R-object turns into the data type of the variable. There are numerous sorts of R-objects. The frequently utilised ones are − 

  • Vectors
  • Lists
  • Matrices
  • Arrays
  • Factors
  • Data Frames

Matrices

A matrix is a two-dimensional rectangular dataset. It is created utilising a vector input to the matrix function. 

Arrays 

While matrices are limited to two dimensions, arrays can be of quite a few dimensions. The array function takes a faint attribute which creates the required number of dimensions. 

Dataframes 

Data frames are data objects in tabular form. Not at all like a matrix in a data frame, every section can contain different methods of data. The first column can be numeric while the subsequent column can be character and the third column can be logical. It is a rundown of vectors of equivalent length. 

R Variables 

A variable provides us with named storage that our programs can control. A variable in R can store an atomic vector, a group of atomic vectors, or a blend of numerous R objects. A legitimate variable name comprises of letters, numbers, and the dot or underline characters. 

R – Pros 

  • R offers a clear perception of data with effective visualisation, making the data productively planned and understood. Instances of its visualisation packages are ggvis, ggplot2, rChart, and googleVis. 
  • R has a broad ecosystem of a dynamic network and desirable packages. The packages are accessible at Github, BioConductor, and CRAN. 
  • It was created, for analysts, by analysts. Thus, they can impart ideas and thoughts through R packages and code.

 

About The Program

The Introduction to R program us a free course on R programming which is provided by Great Learning Academy. The course will take you through the basics in R programming such as data structures, data types, control statements, variables, and much more. It also helps you with hands-on practice and learning of each of the concepts and topics in R programming. By the end of the course, you will be proficient with R commands, R packages, and R functions. 

The introduction to R programming course has a comprehensive curriculum that includes how to install R, variables in R, data types, vectors, operators, lists, matrix, arrays, factors and data frames, inbuilt functions, flow control statements, and more. 

The course is delivered in the form of video content of 1 hours duration along with a quiz and project for you to measure your learning. It is a self-learning course that will provide you with the knowledge pf R basics and enables beginner-level proficiency with the programming language. 

Upon completion of the course, you will Get Introduction to R course completion certificate from Great learning which you can share in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents.

This course is especially suitable for freshers, programmers and developers who want to learn a new programming language, professionals seeking career enhancement by learning R, and finally, those who want to refresh their understanding of the R programming language. If you fall under one of these categories, then sign up for this course now and for free. 

 

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