Login
Remember
Register
User tempuser
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by tempuser
0
votes
Which of the following tags represents a section of document used for navigation?
answered
Jun 6, 2019
in
Data Handling using R
#datahandling
0
votes
Which of the following tags are no longer valid in HTML5
answered
Jun 6, 2019
in
Data Handling using R
#datahandling
0
votes
Which Semantic element is best suitable for content like blog post that is self contained, independent and can be republished
answered
Jun 6, 2019
in
Data Handling using R
#datahandling
0
votes
If x and y are two tbls, which of the following joins return all rows from x and y irrespective of matching values?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
dplyr never prints row names since no dplyr method is guaranteed to preserve them.
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
In the mtcars dataset, how many cars provide a mileage of less than 20 mpg?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
In the iris dataset, how many flowers havePetal.Length/Petal.Width ratio of less than 10
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
In the iris dataset, how many flowers of species setosa havePetal.Length/Petal.Width ratio of less than 10.
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
What is the average mileage of a car in the mtcars dataset
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
In the hflights dataset, how many flights were cancelled in the month of January 2011
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
Which of the following functions lists all columns in a dataset with few values from each column?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
Which of the following functions does not list the total number of observations in a dataset?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
Which of the following functions can be used to find the number or rows and columns in a dataset?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
dplyr is useful for:
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
tbl is an extension of:
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
Which command can be used to import text files in R
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
nrows and skip arguments in the read.table() command can be used to get
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
The function write.csv() exports data into a file. However, this function by default adds rownames to the file. Which argument can be used to turn off addition of rownames?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
Which package is used to import data from a SQL server to R?
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
0
votes
The function read.csv() imports data into
answered
May 27, 2019
in
Data Handling
#datahandling
DataHandling-questions-answers
Page:
« prev
1
2
3
4
5
next »
...
