R Programming MCQs with answers Page - 46

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Q. What will be the output of the following R code?
> g <- function(x) {
+ a <- 3
+ x+a+y
+ ## 'y' is a free variable
+ }
> y <- 3
> g(2)

  • (A) 9
  • (B) 42
  • (C) 8
  • (D) Error
💬 Discuss
✅ Correct Answer: (C) 8

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. What is the memory limit in R for 64 bit system?

  • (A) 8 TB
  • (B) 9TB
  • (C) 10TB
  • (D) 16TB
💬 Discuss
✅ Correct Answer: (A) 8 TB

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. Which of the following code will print NULL?

  • (A) > args(paste)
  • (B) > arg(paste)
  • (C) > args(pastebin)
  • (D) > arg(bin)
💬 Discuss
✅ Correct Answer: (A) > args(paste)

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. The current user defined objects like lists, vectors, etc. is referred to as . . . . . . . . in the R language.

  • (A) Work names
  • (B) Work space
  • (C) Environment
  • (D) Console
💬 Discuss
✅ Correct Answer: (A) Work names

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. If two vectors with different lengths perform some operation, the elements of the shorter vector will be used again to complete the operation. This is referred to as . . . . . . . .

  • (A) Element Recycling
  • (B) Recycling
  • (C) Cycling
  • (D) Element Cycling
💬 Discuss
✅ Correct Answer: (A) Element Recycling

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. What is the memory limit in R for 32 bit system?

  • (A) 8 TB
  • (B) 9TB
  • (C) 10TB
  • (D) 3GB
💬 Discuss
✅ Correct Answer: (D) 3GB

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. What will be the output of the following R code?
> nLL <- make.NegLogLik(normals, c(1, FALSE))
> optimize(nLL, c(1e-6, 10))$minimum

  • (A) 1.217775
  • (B) 1.800596
  • (C) 3.73424
  • (D) empty
💬 Discuss
✅ Correct Answer: (B) 1.800596

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. . . . . . . . . variables are categorical variables which can hold either string or numeric values.

  • (A) Factor
  • (B) Simpler
  • (C) Function
  • (D) Package
💬 Discuss
✅ Correct Answer: (A) Factor

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. . . . . . . . . measures the probability of the binary response variable in R language.

  • (A) Logical Regression
  • (B) Multivariate Regression
  • (C) Simpler Regression
  • (D) Statistics
💬 Discuss
✅ Correct Answer: (A) Logical Regression

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

Q. . . . . . . . . is the best way for communicating the results of data analysis using the R language.

  • (A) Single document
  • (B) Files
  • (C) Structures
  • (D) Loadings
💬 Discuss
✅ Correct Answer: (A) Single document

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:12 am in R Programming

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