Which of the following R code will print "Hello, world!"?
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R Programming · all questionsControl Structures in R Programming
Control Structures in R Programming
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What will be the output of the following R code snippet?
> f <- function(a, b) {
+ print(a)
+ print(b)
+ }
> f(45)Select an option to see the answer and solution.
The syntax of the repeat loop is . . . . . . . .
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In the base graphics system, which function is used to add elements to a plot?
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Which of the following R code generate a uniform random number?
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Which function is used to select variables and observations from a given dataset?
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Point out the correct statement?
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Point out the wrong statement?
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What will be the output of the following R code?
> printmessage <- function(x) {
+ if(x > 0)
+ print("x is greater than zero")
+ else
+ print("x is less than or equal to zero")
+ invisible(x)
+ }
> printmessage(1)Select an option to see the answer and solution.
. . . . . . . . is an indication that a fatal problem has occurred and execution of the function stops.
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What will be the output of the following R code snippet?
> lm <- function(x) { x * x }
> lmSelect an option to see the answer and solution.
Write the syntax to set the path of the current working directory in R environment?
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Which of the following language supports lexical scoping?
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What will be the value of following R expression?
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What will be the output of the following R code?
> x <- 3
> switch(6, 2+2, mean(1:10), rnorm(5))Select an option to see the answer and solution.
Warnings are generated by the . . . . . . . . function.
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Point out the correct statement?
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Point out the correct statement?
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What will be the output of the following R code snippet?
> paste("a", "b", sep = ":")Select an option to see the answer and solution.
Q100
Open questionWhat will be the output of the following R code?
> mean(x)
Error in mean(x) : object 'x' not found
> traceback()Select an option to see the answer and solution.