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Recent questions tagged #datahandling
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#datahandling
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Q: Data table is mainly used for aggregation
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: What is the average mileage(mpg) of 6 cylinder, manual transmission cars in the R built-in dataset "mtcars"
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: What is the average horsepower of 4 gear, automatic transmission cars in the R built-in dataset "mtcars"
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: Which of the following is not correct
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: How to find structure of a dataframe
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: onformchange How do you embed a video player using
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: onformchangeWhat are the new form elements introduced in HTML5
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: Which of the following attribute triggers events when a form changes
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: Which of the following tags represents a section of document used for navigation?
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: Which of the following tags are no longer valid in HTML5
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
+1
vote
Q: Which Semantic element is best suitable for content like blog post that is self contained, independent and can be republished
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
+2
votes
Q: What is the name of the function that takes the input and maps it to the output variable called ?
asked
May 29, 2019
in
Machine Learning
by
param1987
#datahandling
#machine-learning
#learning
#atificial-intelligence
#machine
Machine-Learning-questions-answers
+2
votes
Q: Problems that predict real values outputs are called ?
asked
May 29, 2019
in
Machine Learning
by
param1987
#datahandling
#learning
#machine-learning
#atificial-intelligence
#machine
Machine-Learning-questions-answers
+1
vote
Q: What is the process of subtracting the mean of each variable from its variable called ?
asked
May 29, 2019
in
Machine Learning
by
param1987
#machine-learning
#learning
#atificial-intelligence
#machine
#datahandling
Machine-Learning-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
+1
vote
Q: dplyr never prints row names since no dplyr method is guaranteed to preserve them.
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: In the iris dataset, how many flowers havePetal.Length/Petal.Width ratio of less than 10
asked
May 27, 2019
in
Data Handling
by
tempuser
#datahandling
DataHandling-questions-answers
+1
vote
Q: In the iris dataset, how many flowers of species setosa havePetal.Length/Petal.Width ratio of less than 10.
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
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