Page 198 - Data Science class 11
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3. What are the different fields in which R language can be used?
Ans. The R language is mainly used by data miners and statisticians for statistical analysis, graphics representation and
visualising data. Nowadays, R has become one of the most useful programming languages among the researchers,
data analysts, and statisticians for retrieving, analyzing, visualising, and presenting data.
Unsolved Exercise
Objective Type Questions (Section A)
A. Tick ( ) the correct option.
1. Which of the following statement is correct about RStudio?
a. It is used to develop programs for statistical computing using R language.
b. It is a programming language.
c. It contains a variety of tools for plotting, viewing history, debugging and managing your workspace.
d. None of these
2. R language is a programming language which was developed by Robert Gentleman and ______________________ .
a. James Gosling b. Guido van Rossum
c. Ross Ihaka d. Dennis M. Ritchie
3. The ______________________ window is the place where we can tell it what to do and it will show the results of a command.
a. Console b. Environment
c. Code Editor d. Files
4. In which of the following, can we write R language commands?
a. Console b. Code Editor
c. Both a and b d. None of these
B. State whether these statements are true or false.
1. You can type commands in the Console window directly.
2. After typing the command, when you press the Enter key, you will get the output of the typed
command instantly.
3. To work in RStudio, you need not create an R script file.
4. R language has no built-in libraries.
Standard Questions (Section B)
A. Short answer type questions:
1. What are the differences between R language and RStudio?
2. What are the characteristics of learning R as a programming language for Data Science?
196 Touchpad Data Science-XI

