a) calls b) expressions c) strings d) names Answer: c Explanation: Calls, expressions and names are the three types of ...
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What will be the output of the following R code?
a <- (“a” , “b”)
mode(a)
What will be the output of the following R code? a <- ...
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What will be the output of the following R code?
x <- (“a”, “b”)
as.logical(x)
What will be the output of the following R code? x ...
View QuestionDataframes can be converted into a matrix by calling the following function data ______
a) matr() b) matrix() c) matrixf() d) matrixfunc() Answer: b Explanation: as.matrix function should be used to coerce a ...
View QuestionFunctionality of R is divided into a number of __________
a) Functions b) Domains c) Packages d) Files Answer: a Explanation: CRAN hosts many add-on packages that ...
View QuestionIn ________ Insightful purchased the S language from Lucent for $2 million.
a) 2002 b) 2003 c) 2004 d) 2005 Answer: c Explanation: TIBCO is the current owner of the S ...
View QuestionAdvanced programmers can write ______ code to manipulate R objects.
a) Python b) Java c) C d) Java Script Answer: c Explanation: C, C++ and Fortran can be linked. ...
View QuestionIf the code is stored in the external file, which of the following function is used to call them to a working directory?
a) exec() b) source() c) execute() d) sourcefile() Answer: b Explanation: source is available in the file ...
View QuestionR files has an extension ______
a) .R b) .S c) .Rp d) .c Answer: a Explanation: All R files have ...
View QuestionA single element of a character vector is referred as ________
a) Character string b) String c) Data strings d) Raw data Answer: a Explanation: Single element of a character vector is ...
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