MockInterview.co
Best way to crack data science & engineering interviews!
Home
Contact Us
Blog
Interview Questions
Is mean imputation of missing data acceptable practice? Why or why not?
Data Science Interview Questions
›
Category: Data Science
›
Is mean imputation of missing data acceptable practice? Why or why not?
0
Vote Up
Vote Down
MockInterview
Staff
asked 7 years ago
Share this:
Share
Reddit
LinkedIn
Email
WhatsApp
Facebook
Twitter
Related
1 Answers
0
Vote Up
Vote Down
MockInterview
Staff
answered 7 years ago
Bad practice in general
If just estimating means: mean imputation preserves the mean of the observed data
Leads to an underestimate of the standard deviation
Distorts relationships between variables by “pulling” estimates of the correlation toward zero
Source
Share this:
Share
Reddit
LinkedIn
Email
WhatsApp
Facebook
Twitter
Related
Your Answer
4
+
18
=
Your Email
Your Name
Public
Only Me & Admin
Insert/edit link
Close
Enter the destination URL
URL
Link Text
Open link in a new tab
Or link to existing content
Search
No search term specified. Showing recent items.
Search or use up and down arrow keys to select an item.
Cancel