National Level E Quiz on R - Programming | 

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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