Home
Recent Q&A
Java
Cloud
JavaScript
Python
SQL
PHP
HTML
C++
Data Science
DBMS
Devops
Hadoop
Machine Learning
Azure
Blockchain
Devops
Ask a Question
Which of the following functions can be used to find the number or rows and columns in a dataset?
Home
Data Handling
Which of the following functions can be used to find the number or rows and columns in a dataset?
+1
vote
asked
May 27, 2019
in
Data Handling
by
tempuser
Which of the following functions can be used to find the number or rows and columns in a dataset?
#datahandling
DataHandling-questions-answers
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
May 27, 2019
by
tempuser
Answer is dim
Your comment on this answer:
Email me at this address if a comment is added after mine:
Email me if a comment is added after mine
Privacy: Your email address will only be used for sending these notifications.
Related questions
0
votes
Q: Which of the following functions can be used to find the number or rows and columns in a dataset?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
+1
vote
Q: Which of the following functions lists all columns in a dataset with few values from each column?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: Which of the following functions does not list the total number of observations in a dataset?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: A hospital data contains patient's age and treatment they are undergoing. Which function can be used to find average of patients undergoing each of the treatments?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: If x and y are two tbls, which of the following joins return all rows from x and y irrespective of matching values?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
0
votes
Q: Which function can be used when a vector needs to be split into groups defined by a classifying factor, compute a function on the subsets, and return the results?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: In dot product the number of rows in first matrix must be equal to number of columns in second.
asked
Jan 28, 2020
in
Data Handling
by
rahuljain1
#dot-product
DataHandling-questions-answers
+1
vote
Q: 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?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+2
votes
Q: In the mtcars dataset, how many cars provide a mileage of less than 20 mpg?
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: What is the average mileage of a car in the mtcars dataset
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
...