R Programming MCQs with answers Page - 70

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Q. . . . . . . . . is used to determine what is plotted for each group.

  • (A) panel.expose
  • (B) panel.impose
  • (C) panel.superpose
  • (D) panel.depose
💬 Discuss
✅ Correct Answer: (C) panel.superpose

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. Point out the wrong statement?

  • (A) Drawing samples from specific probability distributions can be done with "s" functions
  • (B) The sample() function draws randomly from a specified set of (scalar) objects allowing you to sample from arbitrary distributions of numbers
  • (C) The sampling() function draws randomly from a specified set of objects
  • (D) You should always set the random number seed when conducting a simulation
💬 Discuss
✅ Correct Answer: (B) The sample() function draws randomly from a specified set of (scalar) objects allowing you to sample from arbitrary distributions of numbers

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. Point out the correct statement?

  • (A) is.theme reports whether x is a real object
  • (B) is.object reports whether x is a aesthetic object
  • (C) qplot is used for quick plot
  • (D) ggplot describe the type of plot you will produce
💬 Discuss
✅ Correct Answer: (C) qplot is used for quick plot

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. which of the following functions can be used to finely control the appearance of all lattice plots ?

  • (A) par()
  • (B) print.trellis()
  • (C) splom()
  • (D) trellis.par.set()
💬 Discuss
✅ Correct Answer: (D) trellis.par.set()

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. . . . . . . . . function is used to simulate binary random variables.

  • (A) dnorm
  • (B) rbinom()
  • (C) binom()
  • (D) rpois
💬 Discuss
✅ Correct Answer: (B) rbinom()

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. . . . . . . . . display contours of a 3d surface in 2d.

  • (A) aes_contour
  • (B) geom_contour
  • (C) aes_gem
  • (D) aes_auto
💬 Discuss
✅ Correct Answer: (B) geom_contour

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. . . . . . . . . modify a ggplot or theme object by adding on new components.

  • (A) +.gg
  • (B) -.gg
  • (C) /.gg
  • (D) .gg
💬 Discuss
✅ Correct Answer: (A) +.gg

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. How many functions exist for tidying the data?

  • (A) one
  • (B) two
  • (C) three
  • (D) four
💬 Discuss
✅ Correct Answer: (C) three

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. . . . . . . . . uses regex groups instead of a splitting pattern or position.

  • (A) spread()
  • (B) gather()
  • (C) separate()
  • (D) extract()
💬 Discuss
✅ Correct Answer: (C) separate()

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

Q. . . . . . . . . generate aesthetic mappings that describe how variables in the data.

  • (A) aes_all
  • (B) aes_auto
  • (C) aes
  • (D) aes_string
💬 Discuss
✅ Correct Answer: (C) aes

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:13 am in R Programming

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