Introduction To R Programming — Part 2 MCQs with Explanations

Emacs is the correct answer to “. . . . . . . . text editor provides more general support mechanisms via ESS for working interactively with R.”. This question is standard in competitive examination syllabi for Introduction To R Programming.

tools is the correct answer to “Which of the following is a base package for R language”. This question is standard in competitive examination syllabi for Introduction To R Programming.

colnames() is the correct answer to “What is the function to set column names for a matrix”. This question is standard in competitive examination syllabi for Introduction To R Programming.

[1] NA NA (Warning message: NAs introduced by coercion) is the correct answer to “What will be the output of the following R code? x<- c (“a”,” b”) as.numeric(x)”. This question is standard in competitive examination syllabi for Introduction To R Programming.

.R is the correct answer to “Files containing R scripts ends with extension . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Statistics, Probability, Distributions is the correct answer to “R has many functions regarding . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Same class is the correct answer to “In R language, a vector is defined that it can only contain objects of the . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

objects() is the correct answer to “Which of the following can be used to display the names of (most of) the objects which are currently stored within R”. This question is standard in competitive examination syllabi for Introduction To R Programming.

R is the correct answer to “Which language is best for the statistical environment”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Present date is the correct answer to “What will be the output of the following R function? Sys.Date()”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Numeric is the correct answer to “What is the class defined in the following R code? y<-c(FALSE,2)”. This question is standard in competitive examination syllabi for Introduction To R Programming.

help(solve) is the correct answer to “Which of the following statement is alternative to . . . . . . . . ?solve”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Inf is the correct answer to “How can we define 'infinity' in R language”. This question is standard in competitive examination syllabi for Introduction To R Programming.

R is the correct answer to “The copyright for the primary source code for R is held by the . . . . . . . . Foundation.”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Shows default packages in R is the correct answer to “What is the output of getOption("defaultPackages") in R studio”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Packages is the correct answer to “R functionality is divided into a number of . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

R server is the correct answer to “In order to use the R-related functionality in Dundas BI, you must have access to an existing . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

4095 is the correct answer to “Command lines entered at the console are limited to about . . . . . . . . bytes.”. This question is standard in competitive examination syllabi for Introduction To R Programming.

R-devel is the correct answer to “The R-help and . . . . . . . . mailing lists have been highly active for over a decade now.”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Yes is the correct answer to “Is It possible to inspect the source code of R”. This question is standard in competitive examination syllabi for Introduction To R Programming.

mesh, compiler is the correct answer to “Which of the following packages does not contain in "base" R system”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Numeric is the correct answer to “In the expression x <- 4 in R, what is the class of 'x' as determined by the `class()' function”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Functions is the correct answer to “Functionality of R is divided into a number of . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Error is the correct answer to “What will be the output of the following R code? x <- (“a”, “b”) as.logical(x)”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Numeric is the correct answer to “What is the mode of b in the following R code? b <- c(TRUE, TRUE, 1)”. This question is standard in competitive examination syllabi for Introduction To R Programming.

print(x) is the correct answer to “Which of the following command is used to print an object "x" in R”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Character is the correct answer to “What will be the output of the following R code? a <- (“a” , “b”) mode(a)”. This question is standard in competitive examination syllabi for Introduction To R Programming.

: is the correct answer to “Which of the following operator is used to create integer sequences”. This question is standard in competitive examination syllabi for Introduction To R Programming.

R Foundation is the correct answer to “The primary source code copyright for R is held by the . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

> is the correct answer to “Which of the following is default prompt for UNIX environment”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Rserve is the correct answer to “The open source . . . . . . . . software is available for Unix, Linux, and Windows platforms.”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Shows default packages in R is the correct answer to “What is output of getOption("defaultPackages") in R studio”. This question is standard in competitive examination syllabi for Introduction To R Programming.

sink is the correct answer to “. . . . . . . . will divert all subsequent output from the console to an external file.”. This question is standard in competitive examination syllabi for Introduction To R Programming.

RStudio is the correct answer to “Which of the following is used for Statistical analysis in R language”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Spatial is the correct answer to “Which of the following is a "Recommended" package in R”. This question is standard in competitive examination syllabi for Introduction To R Programming.

objects is the correct answer to “The entities that R creates and manipulates are known as . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Free is the correct answer to “Which of the following describes R language”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Auckland is the correct answer to “In 1991, R was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of . . . . . . . .”. This question is standard in competitive examination syllabi for Introduction To R Programming.

Prints exact present time and date is the correct answer to “What will be the output of the following R function? d <- date() d”. This question is standard in competitive examination syllabi for Introduction To R Programming.

3.3333333333333333 is the correct answer to “What will be the output of the following R code? options(digits = 16) 20/6”. This question is standard in competitive examination syllabi for Introduction To R Programming.