Ask a Question

________ add new variables/columns or transform existing variables.

in Education by
________ add new variables/columns or transform existing variables. (a) mutate (b) add (c) apped (d) arrange This question was addressed to me in an online interview. The question is from Data Wrangling topic in chapter Profiling, Simulation and Data Analysis of R Programming Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
Correct option is (a) mutate Explanation: arrange is used to reorder rows of a data frame.

Related questions

0 votes
Q: ________ add new variables/columns or transform existing variables.
    ________ add new variables/columns or transform existing variables. (a) mutate (b) add (c) apped (d) ... Operations of R Programming Select the correct answer from above options...
asked Feb 15, 2022 in Education by JackTerrance
0 votes
Q: __________ is used when you have variables that form rows instead of columns.
    __________ is used when you have variables that form rows instead of columns. (a) tidy() (b) spread() (c ... Analysis of R Programming Select the correct answer from above options...
asked Feb 10, 2022 in Education by JackTerrance
0 votes
Q: ________ modify a ggplot or theme object by adding on new components.
    ________ modify a ggplot or theme object by adding on new components. (a) +.gg (b) -.gg (c) /.gg ... Data Analysis of R Programming Select the correct answer from above options...
asked Feb 16, 2022 in Education by JackTerrance
0 votes
Q: Which of the following function takes multiple columns?
    Which of the following function takes multiple columns? (a) spread() (b) gather() (c) separate() (d) ... Analysis of R Programming Select the correct answer from above options...
asked Feb 11, 2022 in Education by JackTerrance
0 votes
Q: Which of the following functions is typically used to add elements to a plot in the base graphics system?
    Which of the following functions is typically used to add elements to a plot in the base graphics system? (a ... of R Programming Select the correct answer from above options...
asked Feb 12, 2022 in Education by JackTerrance
0 votes
Q: _________ generate aesthetic mappings that describe how variables in the data.
    _________ generate aesthetic mappings that describe how variables in the data. (a) aes_all (b) aes_auto (c) aes ... of R Programming Select the correct answer from above options...
asked Feb 13, 2022 in Education by JackTerrance
0 votes
Q: Which of the following merges two variables into one?
    Which of the following merges two variables into one? (a) spread() (b) gather() (c) separate() (d) ... Data Analysis of R Programming Select the correct answer from above options...
asked Feb 12, 2022 in Education by JackTerrance
0 votes
Q: Which of the following creates a new ggplot plot from a data frame?
    Which of the following creates a new ggplot plot from a data frame? (a) qplot_ggplot (b) ggplot.data. ... Analysis of R Programming Select the correct answer from above options...
asked Feb 15, 2022 in Education by JackTerrance
0 votes
Q: _________ is new package that makes it easy to “tidy” your data.
    _________ is new package that makes it easy to tidy your data. (a) tidy (b) tidyr (c) tidyneat (d ... Data Analysis of R Programming Select the correct answer from above options...
asked Feb 12, 2022 in Education by JackTerrance
0 votes
Q: ________ is used for translating between qplot and base graphics.
    ________ is used for translating between qplot and base graphics. (a) translate_qplot_base (b) translate_qplot_gpl (c ... R Programming Select the correct answer from above options...
asked Feb 15, 2022 in Education by JackTerrance
0 votes
Q: R comes with a ________ to help you optimize your code and improve its performance.
    R comes with a ________ to help you optimize your code and improve its performance. (a) debugger (b) ... Analysis of R Programming Select the correct answer from above options...
asked Feb 15, 2022 in Education by JackTerrance
0 votes
Q: ________ is used to create a plot to illustrate patterns of missing values.
    ________ is used to create a plot to illustrate patterns of missing values. (a) ggmissplot (b) ggmissing (c ... of R Programming Select the correct answer from above options...
asked Feb 15, 2022 in Education by JackTerrance
0 votes
Q: You can time ________ expressions by wrapping them in curly braces within the call to system.time().
    You can time ________ expressions by wrapping them in curly braces within the call to system.time(). (a) ... Analysis of R Programming Select the correct answer from above options...
asked Feb 15, 2022 in Education by JackTerrance
0 votes
Q: ________ generate random Normal variates with a given mean and standard deviation.
    ________ generate random Normal variates with a given mean and standard deviation. (a) dnorm (b) rnorm (c) ... of R Programming Select the correct answer from above options...
asked Feb 13, 2022 in Education by JackTerrance
0 votes
Q: ________ is a systematic way to examine how much time is spent in different parts of a program.
    ________ is a systematic way to examine how much time is spent in different parts of a program. (a) ... Analysis of R Programming Select the correct answer from above options...
asked Feb 13, 2022 in Education by JackTerrance

© Copyright 2018-2023 www.Blogmepost.com. All rights reserved. Developed by Blogmepost.

...