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R Language Interview Questions and Answers
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Questions
R Language
0
votes
Q: Explain how you can start the R commander GUI.
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-command-gui
0
votes
Q: What is the difference between seq(4) and seq_along(4) in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-seq
0
votes
Q: What is difference between lapply and sapply in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-lapply
0
votes
Q: What is difference between matrix and dataframes in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-matrix
#r-language-data-frames
0
votes
Q: How you can produce co-relations and covariances in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-operations
0
votes
Q: What is the function used for adding datasets in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-dataset
0
votes
Q: What are the advantages of R in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-advantages
0
votes
Q: Explain what is transpose in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-transpose
0
votes
Q: What is the use of subset() and sample() function in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-subset
#r-language-function
0
votes
Q: In R programming, how missing values are represented in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-missing-values
0
votes
Q: What is the use of With () and By () function in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-with
#r-by-function
0
votes
Q: What are the disadvantages of R Programming in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-disadvantages
0
votes
Q: What is t-tests() in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-t-tests
0
votes
Q: How R commands are written in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-commands
0
votes
Q: What is R in R language?
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#what-is-r
0
votes
Q: Difference between library () and require () functions in R language.
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-library
0
votes
Q: Explain how to communicate the outputs of data analysis using R language.
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-communication
0
votes
Q: What is data import in R language.
asked
Feb 24, 2020
in
R Language
by
rahuljain1
#r-language-data-import
+1
vote
Q: What is the difference between library() and require() functions in R language?
asked
Feb 10, 2020
in
R Language
by
rahuljain1
#r-library
#r-require
+1
vote
Q: What are the rules to define a variable name in R programming language?
asked
Feb 10, 2020
in
R Language
by
rahuljain1
#r-variables
+1
vote
Q: What do you understand by a workspace in R programming language?
asked
Feb 10, 2020
in
R Language
by
rahuljain1
#r-workspace
0
votes
Q: The width of line can be changed by
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#line-width
0
votes
Q: ggplot2 allows to add features layer by layer
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#ggplot2
0
votes
Q: The functions which assist in labelling of the functions is _____________.
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#function-labelling
0
votes
Q: Aesthetics in ggplot2 refers to
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#aesthetics
0
votes
Q: The grey zone around the geom("smooth") line refers to
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#grey-zone
0
votes
Q: ggplot2 requires the data to be in
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#ggplot2
r-language
0
votes
Q: Factors represent the subset of the data and they should be properly labelled.
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#data-labelled
0
votes
Q: What does gg in ggplot2 refer to
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#graph-grammer
0
votes
Q: Using ggplot2 for multifaceted diagram, the deciding variable on the number of rows or columns is
asked
Dec 30, 2019
in
R Language
by
sharadyadav1986
#multifaceted-diagram
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