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Top 100+ questions in Data Handling using R
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Data Handling using R
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Q: To reset the grid to normal layout, after displaying multiple charts in single view could be obtained by
asked
Aug 11, 2020
in
Data Handling using R
by
anonymous
data_visualizing_using_r
0
votes
Q: Stainless Steel Pipe
asked
Mar 24, 2020
in
Data Handling using R
by
ksruiadaiuea
0
votes
Q: 304 Stainless Steel
asked
Mar 24, 2020
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Data Handling using R
by
ksruiadaiuea
+1
vote
Q: Rotational Molding Products manufacturers
asked
Feb 14, 2020
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Data Handling using R
by
huahongtex
0
votes
Q: Air Spring price
asked
Feb 14, 2020
in
Data Handling using R
by
huahongtex
0
votes
Q: Customized Preform Mould
asked
Feb 14, 2020
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Data Handling using R
by
huahongtex
0
votes
Q: low price 26 Inch Electric Fireplace Insert
asked
Feb 14, 2020
in
Data Handling using R
by
huahongtex
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
0
votes
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
0
votes
Q: which comand can be used to import data from xlsx file in R
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: which package is used to import data from SQL server to R
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: which of the following is multivariate version of lapply?
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: what will following lines of code return x<-matrix(1:18,6,3)____-
asked
Jun 7, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: which function can be used wheb a vector needs to be split into groups_
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: a hospital data contains patients age___
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: which command will print the dataset"mtcars" in ascending order of their milage
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
0
votes
Q: which of the following function can be used to create a dataframe in R
asked
Jun 6, 2019
in
Data Handling using R
by
tempuser
#datahandling
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