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Recent questions tagged #datahandling
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#datahandling
+1
vote
Q: Ignoring missing values from your dataset is an easier and correct approach than updating the dataset with mean / median values
asked
Feb 10, 2020
in
Data Science
by
miceperry
#machine-learning
#datahandling
0
votes
Q: Import Data into R: Read CSV, Excel, SPSS, Stata, SAS Files
asked
Nov 13, 2019
in
R Language
by
MBarbieri
#datahandling
#r-programming
#r-question-answer
0
votes
Q: data handling
asked
Sep 3, 2019
in
Data Handling
by
Robin
#datahandling
DataHandling-questions-answers
+2
votes
Q: Technique used for evaluating findability of topics in a website
asked
Jun 13, 2019
in
User Research Methods
by
parvinder.singh
#user-research
#user-research-methods
#user-methods
#datahandling
+2
votes
Q: The systematic process of collecting and analyzing target customer data, the competition, and the target market environment to aid in making messaging, positioning and pricing decisions.
asked
Jun 13, 2019
in
User Research Methods
by
parvinder.singh
#user#research#methods
#datahandling
0
votes
Q: If x and y are two tbls, which of the following joins return all rows from x where there are not matching values in y, keeping just columns from x?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
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
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: If x and y are two tbls, which of the following joins return all rows from y, and all columns from x and y?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: If x and y are two tbls, which of the following joins return all rows from x where there are matching values in y, and all columns from x and y?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: If x and y are two tbls, which of the following joins return all rows from x where there are matching values in y, keeping just columns from x?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: In the iris dataset, how many flowers of species setosa havePetal.Length/Petal.Width ratio of less than 10
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: In the mtcars dataset, how many cars provide a mileage of less than 20 mpg?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: What is the average mileage of a car in the mtcars dataset-
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: In the iris dataset, how many flowers havePetal.Length/Petal.Width ratio of less than 10
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: In the hflights dataset, how many flights were cancelled in the month of January 2011.
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
+1
vote
Q: Which of the following functions does not list the total number of observations 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
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
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
0
votes
Q: tbl is an extension of:
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: The functions write.c() exports data into file
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
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