R Language quiz questions

R Language interview questions

  • 1.

    _________ is new package that makes it easy to “tidy” your data.

    1. tidy

    2. tidyr

    3. tidyneat

    4. All of the mentioned

    Answer
  • 2.

    Which of the following create a set of identity mappings ?

    1. ggplot

    2. aes_all

    3. aes

    4. ggorder

    Answer
  • 3.

    Which of the following draws plot on current graphics device ?

    1. ggmissplot

    2. printplot

    3. print.ggplot

    4. All of the mentioned

    Answer
  • 4.

    Which of the following creates a new ggplot plot from a data frame ?

    1. qplot_ggplot

    2. ggplot.data.frame

    3. ggfluctuation

    4. All of the mentioned

    Answer
  • 5.

    __________ is interval represented by a vertical line, with a point in the middle.

    1. geom_range

    2. geom_pointrange

    3. printplot

    4. All of the mentioned

    Answer
  • 6.

    _________ describe the type of plot you will produce.

    1. geoms

    2. ggplot

    3. fplot

    4. gplot

    Answer
  • 7.

    Point out the correct statement :

    1. is.theme reports whether x is a real object

    2. is.object reports whether x is a aesthetic object

    3. qplot is used for quick plot

    4. None of the mentioned

    Answer
  • 8.

    Which of the following draws nothing.?

    1. geom_blank

    2. geom

    3. geom_bin2d

    4. All of the mentioned

    Answer
  • 9.

    ______ display a smooth density estimate.

    1. geom_density2

    2. geom_density

    3. aes_sdensity

    4. All of the mentioned

    Answer
  • 10.

    Point out the correct statement :

    1. autoplotgraph is used to complete ggplot appropriate to a particular data type

    2. auto_element wraps up a projection of summary functions

    3. ggplot.data create a new ggplot plot from a data frame

    4. All of the mentioned

    Answer
  • 11.

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

    1. aes_contor

    2. geom_contour

    3. aes_gem

    4. All of the mentioned

    Answer
  • 12.

    ________ is used for relative sizing of theme elements.

    1. rel

    2. size

    3. relative

    4. All of the mentioned

    Answer
  • 13.

    Which of the following draws plot on current graphics device ?

    1. ggmissplot

    2. printplot

    3. print.ggplot

    4. All of the mentioned

    Answer
  • 14.

    Which of the following creates a new ggplot plot from a data frame ?

    1. qplot_ggplot

    2. ggplot.data.frame

    3. ggfluctuation

    4. All of the mentioned

    Answer
  • 15.

    __________ create a complete ggplot appropriate to a particular data type

    1. autoplot

    2. is.ggplot

    3. printplot

    4. qplot_ggplot

    Answer
  • 16.

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

    1. +.gg

    2. -.gg

    3. /.gg

    4. .gg

    Answer
  • 17.

    Point out the wrong statement :

    1. is.rel reports whether x is a theme object

    2. is.theme reports whether x is a theme object

    3. opts build a theme (or partial theme) from theme elements

    4. None of the mentioned

    Answer
  • 18.

    Which of the following is a differentiation related aesthetic ?

    1. aes_position

    2. aes_group_order

    3. aes_linetype_size_shape

    4. ggorder

    Answer
  • 19.

    ______ generate aesthetic mappings from a string

    1. aes_all

    2. aes_auto

    3. aes_string

    4. All of the mentioned

    Answer
  • 20.

    Point out the correct statement :

    1. update_element update contents of a theme

    2. Use theme_update_element to modify a small number of elements of the current theme or use theme_set to completely override it

    3. theme_bw is theme with grey background and white gridlines

    4. All of the mentioned

    Answer

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