National Level E Quiz on R - Programming | Get Free Certificate | National Level Quiz Certificate

National Level E Quiz on R - Programming | 

Get Free Certificate | National Level Quiz 

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Question : 1. In 1991 ,R was created by Ross Ihaka ansd Robert Gentleman in the Department of Statistics at the University of ________________ 

Answer : D.Auckland

 

Question : 2.Finally ,in ___________ R version 1.0.0 was released to the public. 

Answer : a) 2000

Question : 3.Which of the following describes R language? 

Answer : a) Free

 

Question : 4.R has many functions regarding ____________________ 

Answer : d) Statistics, Probability, Distributions

 

Question : 5.R functionality is divided into a number of ______________ 

Answer : a) Packages

 

Question : 6.R is technically much closer to the Scheme language than it is to the original __________language. 

Answer : a) S

 

Question : 7.R is used in ________________. 

Answer : d) All of the above

 

Question : 8.Advanced users can write ___ code to manipulate R objects directly. 

Answer : a) C , C++

 

Question : 9.Which of the following operator is used to create integer sequences? 

Answer : a) :

 

Question : 10.In R language, a vector is defined that it can only contain objects of the ________ 

Answer : a) Same class

 

Question : 11. Elementary commands in R consist of either _______ or assignments. 

Answer : c) expressions

 

Question : 12.A single element of a character vector is referred as ________ 

Answer : b) Character String

 

Question : 13.Point out the wrong statement? 

Answer : a) The grammar of the language determines whether an expression is complete or not

 

Question : 14.Collection of objects currently stored in R is called as __________ 

Answer : b) workspace

 

Question : 15.An ordered collection of objects or components are called ________ 

Answer : b) Datasets

 

Question : 16.On what basis of a variable, OS allocates memory and decides what can be stored in the reserved memory? 

Answer : c) Data types

 

Question : 17.A data frame is a special type of list where every element of the list has ______ length. 

Answer : a) Same

 

Question : 18.Accessing elements is achieved through a process called ________ 

Answer : a) Indexing

 

Question : 19.The ________ function takes an arbitrary number of arguments and concatenates them one by one into character strings. 

Answer : a) copy()

 

Question : 20.Which of the following will start the R program? 

Answer : c) $ R