R Programming

1. Fundamentals of R Language

• Introduction to R
• History of R
• Why R programming Language
• Comparison between R and Python
• Application of R

2. Setup of R Language

• Local Environment setup
• Installing R on Windows
• Installing R on Linux
• RStudio
• What is RStudio?
• Installation of RStudio
• First Program – Hello World

3. Variables and Data Types

• Variables in R
• Declaration of variable
• Variable assignment
• Finding variable
• Data types in R
• Data type conversion
• R programs for Variables and Data types in RStudio

4. Input-Output Features in R

• scan() function
• readline() function
• paste() function
• paste0() function
• cat() function
• R Programs for implementing these functions in RStudio

5. Operators in R

• Arithmetic Operators
• Relational Operators
• Logical Operators
• Assignment Operators
• Miscellaneous Operators
• R Programs to perform various operations using operators in RStudio

6. Data Structure in R (part-I)

• What is data structure?
• Types of data structure
• Vector- What is a vector in R?

  – Creating a vector

  – Accessing element of vector

  – Some more operations on vectors

  – R Programs for vectors in RStudio

• Application of Vector in R
• List- What is a list in R?

  – Creating a list

  – Accessing element of list

  – Modifying element of list

  – Some more operations on list

• R Programs for list in RStudio

7. Data Structure in R (part-II)

• Matrix or Matrices- What is matrix in R?

  – Creating a matrix

  – Accessing element of matrix

  – Modifying element of matrix

  – Matrix Operations

• R Programs for matrices in RStudio
• Application of Matrices in R
• Arrays- What are arrays in R?

  – Creating an array

  – Naming rows and columns

  – Accessing element of an array

  – Some more operations on arrays

• R Programs for arrays in RStudio

8. Data Structure in R (part-III)

• Data frame- What is a data frame in R?

  – Creating a data frame

  – Accessing element of data frame

  – Modifying element of data frame

  – Add the new element or component in data frame

  – Deleting element of data frame

  – Some more operations on data frame

• R Programs for data frame in RStudio
• Factors- Factors in R

  – Creating a factor

  – Accessing element of factor

  – Modifying element of factor

• R Programs for Factors in RStudio
• Application of Factors in R

9. Decision Making in R

• Introduction to Decision making
• Types of decision-making statements
• Introduction, syntax, flowchart and programs for- if statement

  – if…else statement

  – if…else if…else statement

  – switch statement

10. Loop control in R

• Introduction to loops in R
• Types of loops in R- for loop

  – while loop

  – repeat loop

  – nested loop

• break and next statement in R
• Introduction, syntax, flowchart and programs for- for loop

  – while loop

  – repeat loop

  – nested loop

11. Functions in R

• Introduction to function in R
• Built-in Function
• User-defined Function
• Creating a Function
• Function Components
• Calling a Function
• Recursive Function
• Various programs for functions in RStudio

12. Strings in R

• Introduction to string in R- Rules to write R Strings

  – Concatenate two or more strings in R

  – Find length of String in R

  – Extract Substring from a String in R

  – Changing the case i.e. Upper to lower case and lower to upper case

• Various programs for String in RStudio

13. Packages in R

• Introduction to Packages in R
• Get the list of all the packages installed in RStudio
• Installation of the packages
• How to use the packages in R
• Useful R Packages for Data Science
• R program for package in RStudio

14. Data and File Management in R

• Getting and Setting the Working Directory
• Input as CSV File
• Analysing the CSV File
• Writing into a CSV File
• R programs to implement CSV file

15. Plotting in R (Part-I)

• Line graph
• Scatterplots
• Pie Charts
• 3D Pie Chart

16. Plotting in R (Part-II)

• Bar / line chart
• Histogram
• Box plot