Data Analytics with R Programming Time: 10.30am to 01.00pm — Winter 2022

What is Data Analytics? Explain types of Data Analytics with example.

What is variable? How to assign variable and remove variable in R programming?

Write Rscript to create data frame “student” with the fields of stud_id, stud name, email_id and mobile no. Perform following operations: a. Display data of data frame b. Display summary of data frame c. Display structure of data frame d. Extract and display only stud name and mobile no from data frame.

Explain data types in detail with example.

What is data frame? Explain the functionally of data frame with example.

What is vector? How to create a vector? Explain logical and character vector with example.

List the packages used to read a data such as Csv Files, XML File, Web data, JSON File, Excel File. Explain in brief.

Explain histograms and box plot using suitable example.

How to read data from database (MS Access/ Oracle/MySQL). Explain in detail.

What is prediction? Differentiate random forest and decision tree. Which decision model is best for decision making?

What is linear regression? Explain with example.

Explain various control structure in Rwith sample example code.

Explain survival analysis in detail.

Explain active learning process in detail.

What is Graph? Explain graphical elements in detail.

Discuss Reinforcement Learning in detail.

Explain following functions in brief. 1. getwd( ) 2. rm( ) 3. which( ) 4. ls( ) 5. list( ) 6. any( ) 7. seq()