Data Preprocessing - Paatshala Quiz
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
John Padamadan
Used 7+ times
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The function to fill in NAN values with 100,if df is the dataframe object
fillna(100)
df.fillna(100)
df.fillna(0)
df.fill(100)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_______ can be used to detect missing values for a dataframe object df.
df.null()
df.isnull()
df.isempty()
df.nonnull()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_______ can be used to find the total number of NAN values in a dataframe df.
df.isna().sum()
df. isnull().sum()
Both the mentioned
None of the mentioned
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a data with Gaussian distribution, the NAN values can be filled with _______
mean
median
mode
All the mentioned
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which among the following can be used to fill the NAN values?
measures of central tendancy
foreward filling
Backward filling
All the mentioned
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NAN values of a skewed data can be filled using _______
mean
median
mode
All the mentioned
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An outlier is a _______
An unusual observation
A value which is much different from the other values
Both the mentioned
None of the mentioned
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