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
In the iris dataset, how many flowers of species setosa havePetal.Length/Petal.Width ratio of less than 10.
Home
Data Handling
In the iris dataset, how many flowers of species setosa havePetal.Length/Petal.Width ratio of less...
asked
May 27, 2019
in
Data Handling
by
tempuser
(
391
points)
In the iris dataset, how many flowers of species setosa havePetal.Length/Petal.Width ratio of less than 10.
#datahandling
DataHandling-questions-answers
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
May 27, 2019
by
tempuser
(
391
points)
Answer is 45
Related questions
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
(
391
points)
#datahandling
+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
(
391
points)
#datahandling
DataHandling-questions-answers
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
(
391
points)
#datahandling
+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
(
391
points)
#datahandling
DataHandling-questions-answers
+1
vote
Q: In the hflights dataset, how many flights were cancelled in the month of January 2011
asked
May 27, 2019
in
Data Handling
by
tempuser
(
391
points)
#datahandling
DataHandling-questions-answers
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
(
391
points)
#datahandling
+1
vote
Q: What is the average mileage of a car in the mtcars dataset
asked
May 27, 2019
in
Data Handling
by
tempuser
(
391
points)
#datahandling
DataHandling-questions-answers
+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
(
391
points)
#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
(
391
points)
#datahandling
DataHandling-questions-answers
+1
vote
Q: Which of the following functions can be used to find the number or rows and columns in a dataset?
asked
May 27, 2019
in
Data Handling
by
tempuser
(
391
points)
#datahandling
DataHandling-questions-answers
0
votes
Q: For a given matrix mat, how do you increment every element of the matrix by 3 and return a vector. (I) sapply(mat, function(x,y) sum(x)+y,y=3) (II) sapply(mat, function(x) sum(x)+3)
asked
May 27, 2019
in
Data Handling
by
tempuser
(
391
points)
#datahandling
DataHandling-questions-answers
0
votes
Q: data handling
asked
Sep 3, 2019
in
Data Handling
by
Robin
(
14.6k
points)
#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
(
391
points)
#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
(
391
points)
#datahandling
DataHandling-questions-answers
+1
vote
Q: dplyr is useful for:
asked
May 27, 2019
in
Data Handling
by
tempuser
(
391
points)
#datahandling
DataHandling-questions-answers
...