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Worksheets

BAIG

Total questions: 11

Worksheet time: 2mins

Name
Class
Date
1.

Correct syntax to get "Hello World" in R ?

a)

print("Hello World")

b)

'Hello World'

c)

All options

d)

"Hello World"

2.

How do you insert COMMENT in R?

a)

/* Commenting

b)

// Commenting

c)

All options are correct

d)

# Commenting

3.

Syntax to assign the same value to multiple variables

a)

v1, v2, v3 = 'Syntax'

b)

v1, v2, v3 <- 'Syntax'

c)

v1 <- v2 <- v3 <- 'Syntax'

d)

v1 = v2 = v3 = 'Syntax'

4.

What operator is used to compare 2 values?

a)

=

b)

==

c)

<>

d)

><

5.

Syntax to create function

a)

func <- function()

b)

func <- function[]

c)

func <- function{}

d)

func = function()

6.

Function to create data frame

a)

data.frame()

b)

dframe()

c)

df()

d)

dataframe()

7.

To access one variable in dataset, (a)   sign is used.

8.

a = c(10,20,30,40,50)

b = c(1,3)

d = a + b

d

a)

d = 111,23,33,43,51

b)

d = 11,21,31,41,51

c)

d = 11,23,31,43,51

d)

d = 11,23,33,41,53

9.

Which of these is not a data type in R ?

a)

Vectors

b)

Lists

c)

Arrays

d)

Tuples

10.

Syntax to install a package

a)

install.package("package_name")

b)

install.packages("package_name")

c)

install("package_name")

d)

install.packages(package_name)

11.

Correct syntax to get "Hello World" in R ?

a)

print("Hello World")

b)

'Hello World'

c)

All options are correct

d)

"Hello World"