R Programming MCQs with answers Page - 67

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Q. Which of the following cuts numeric vector into intervals of equal length?

  • (A) cut_interval
  • (B) cut_time
  • (C) cut_number
  • (D) cut_date
💬 Discuss
✅ Correct Answer: (A) cut_interval

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

Q. For barchart and . . . . . . . . non-trivial methods exist for tables and arrays, documented at barchart.table.

  • (A) scatterplot
  • (B) dotplot
  • (C) xyplot
  • (D) scatterplot & xyplot
💬 Discuss
✅ Correct Answer: (B) dotplot

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

Q. Which of the following functions is typically used to add elements to a plot in the base graphics system?

  • (A) lines()
  • (B) hist()
  • (C) plot()
  • (D) boxplot()
💬 Discuss
✅ Correct Answer: (D) boxplot()

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

Q. . . . . . . . . generate aesthetic mappings from a string.

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

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

Q. . . . . . . . . produces one-dimensional scatterplots.

  • (A) xyplot
  • (B) stripplot
  • (C) barchart
  • (D) bwplot
💬 Discuss
✅ Correct Answer: (B) stripplot

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

Q. . . . . . . . . create a complete ggplot appropriate to a particular data type.

  • (A) autoplot
  • (B) is.ggplot
  • (C) printplot
  • (D) qplot_ggplot
💬 Discuss
✅ Correct Answer: (A) autoplot

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

Q. . . . . . . . . grammar makes a clear distinction between your data and what gets displayed on the screen or page.

  • (A) ggplot1
  • (B) ggplot2
  • (C) d3.js
  • (D) ggplot3
💬 Discuss
✅ Correct Answer: (B) ggplot2

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

Q. Annotation of plots in any plotting system involves adding points, lines, or text to the plot, in addition to customizing axis labels or adding titles. Different plotting systems have different sets of functions for annotating plots in this way. Which of the following functions can be used to annotate the panels in a multi-panel lattice plot?

  • (A) points()
  • (B) panel.abline()
  • (C) lines()
  • (D) axis()
💬 Discuss
✅ Correct Answer: (B) panel.abline()

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

Q. Point out the wrong statement?

  • (A) is.rel reports whether x is a theme object
  • (B) is.theme reports whether x is a theme object
  • (C) opts build a theme (or partial theme) from theme elements
  • (D) theme_bw is theme with grey background and white gridlines
💬 Discuss
✅ Correct Answer: (A) is.rel reports whether x is a theme object

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

Q. What will be the output of the following R code?
> set.seed(10)
> x <- rbinom(100, 1, 0.5)
> str(x)

  • (A) int [1:100] 1 0 0 1 0 0 0 0 1 0 ...
  • (B) int [1:100] 10 0 01 1 0 0 01 0 1 0 ...
  • (C) int [1:100] 1 03 0 1 0 0 0 02 1 0 ...
  • (D) int [1:100] 1 2 3 1 1 0 0 0 1 0 ...
💬 Discuss
✅ Correct Answer: (A) int [1:100] 1 0 0 1 0 0 0 0 1 0 ...

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

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