R For Big Data Set 1

R For Big-Data Set 1

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R is a leading programming language of data science, consisting of powerful functions to tackle all problems related to Big Data processing. Free Online Best R For Big-Data MCQ Questions for improve your basic knowledge of R For Big-Data. This R For Big-Data set 1 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

How many types of data types are present in R?

A	4
B	5
C	6
D	7

Question 2

Many quantitative analysts use R as their____tool?

A	Leading tool
B	Programming tool
C	Both the above
D	None of Above

Question 3

Vectors come in two parts_____ and _____.

A	Atomic vectors and matrix
B	Atomic vectors and array
C	Atomic vectors and list
D	All of Above

Question 4

Predictive analysis is the branch of __________analysis?

A	Advanced
B	Core
C	Both the above
D	None of Above

Question 5

Which of the following sort dataframe by the order of the elements in B?

A	a.x[rev(order(x$B)),]
B	b.x[ordersort(x$B),]
C	c.x[order(x$B),]
D	None of Above

Question 6

R is an__________programming language?

A	Closed source
B	GPL
C	Open source
D	Definite source

Question 7

Who developed R?

A	Dennis Ritchie
B	John Chambers
C	Bjarne Stroustrup
D	All of Above

Question 8

R is an interpreted language so it can access through_____________?

A	Disk operating system
B	User interface operating system
C	Operating system
D	Command line interpreter

Question 9

How many types of atomic vectors are present?

A	4
B	5
C	6
D	7

Question 10

Descriptive analysis tell about________?

A	Past
B	Present
C	Future
D	All of Above

Question 11

Packages are useful in collecting sets into a_____unit ?

A	Single
B	Multiple
C	None of Above
D	All of Above

Question 12

___________ is used to make predictions about unknown future events?

A	Descriptive analysis
B	Predicitive analysis
C	Advanced
D	All of Above

Question 13

The ____________ in R is a vector.

A	Basic data structure
B	Basic data types
C	advance data structure
D	advance data types

Question 14

How many steps does the predictive analysis process contained?

A	5
B	6
C	7
D	8

Question 15

Which function is used to create the vector with more than one element?

A	Library()
B	plot()
C	c()
D	par()

Question 16

How many types of R objects are present in R data type?

A	4
B	5
C	6
D	7

Question 17

In R every operation has a ______call?

A	System
B	Function
C	procedure
D	None of the above

Question 18

How many types of vertices functions are peresent?

A	1
B	2
C	3
D	4

Question 19

_________ initiates an infinite loop right from the start.

A	Never
B	Repeat
C	Break
D	Set

Question 20

_________and_________ are types of matrices functions?

A	Apply and sapply
B	Apply and lapply
C	Apply and rapply
D	All of Above

Question 21

_______ is used to skip an iteration of a loop.

A	Next
B	Skip
C	Group
D	goto

Question 22

R was named partly after the first names of____R authors?

A	One
B	Two
C	Three
D	Four

Question 23

How many control statements are present in R?

A	8
B	5
C	6
D	7

Question 24

Which of the following is a primary tool for debugging?

A	debug()
B	trace()
C	browser()
D	None of the above

Question 25

Which of the following finds the maximum value in the vector x, exclude missing values

A	rm(x)
B	all(x)
C	max(x, na.rm=TRUE)
D	x%in%y

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