. . . . . . . . returns TRUE then X can be termed as a matrix data object.
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R Programming · all questionsControl Structures in R Programming
Control Structures in R Programming
practice.
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. . . . . . . . package provides basic functionalities in R environment like arithmetic calculations, input/output.
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What will be the output of the following R code?
> x <- 3
> switch(x, 2+2, mean(1:10), rnorm(5))Select an option to see the answer and solution.
What will be the output of the following R code?
> x <- 1:4
> lapply(x, runif)Select an option to see the answer and solution.
What will be the output of the following R code?
> x <- c("a", "b", "c", "d")
> for(i in 1:4) {
+ ## Print out each element of 'x'
+ print(x[i])
+ }Select an option to see the answer and solution.
. . . . . . . . function gives an error message if the desired package cannot be loaded.
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What will be the output of the following R code?
> x <- list(a = 1:5, b = rnorm(10))
> lapply(x, mean)Select an option to see the answer and solution.
Which of the following R code syntax is syntactically valid?
Options are not available for this question.
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. . . . . . . . function takes various parameters like formula, data, subset, labels, etc.
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. . . . . . . . functions can be "built which contain all of the necessary data for evaluating the function.
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How many types of data structures does R language have?
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To get the current date, the . . . . . . . . function will return a Date object which can be converted to a different class if necessary.
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A matrix of scatterplots can be produced using . . . . . . . . function.
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Point out the correct statement?
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. . . . . . . . suspends the execution of a function wherever it is called and puts the function in debug mode.
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Two vectors M and N are defined as M <- c(3, 2, 4) and N <- c(1, 2). What will be the output of vector Z that is defined as Z <- M*N.
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A programmer builds a . . . . . . . . to avoid repeating the same task or reduce complexity.
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Point out the correct statement?
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Which of the following is valid body of split function?
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Which of the following is apply function in R?
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