Discuss the importance of data : Missing value treatment in Python

Discuss the importance of data : Missing value treatment in Python

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial covers handling missing values in a dataset by replacing them with the mean value. It explains calculating the mean, using the Fillna method to impute missing values, and making these changes permanent in the dataframe. The tutorial emphasizes the importance of understanding parameters like 'inplace' to ensure data changes are stored correctly.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one method mentioned for handling missing values in a dataset?

Using the standard deviation

Replacing with the mean

Dropping the entire dataset

Multiplying by a constant

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Python method is used to calculate the mean of a variable in a dataframe?

average()

mean()

median()

sum()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'inplace' parameter in the fillna method?

To temporarily change the data

To delete missing values

To permanently store changes in the dataframe

To create a new dataframe

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value is used to replace missing values in the 'time taken' variable?

Zero

Median

Mean

Mode

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if 'inplace' is set to false in the fillna method?

The dataframe is deleted

Changes are not saved permanently

The dataframe is duplicated

All missing values are removed