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Use Histograms with Caution
They can be misleading.
 • 
Avi Chawla
How are QQ Plots Created?
Drawing a QQ plot from scratch.
 • 
Avi Chawla
5
25 Most Important Mathematical Definitions in Data Science
...in a single frame.
 • 
Avi Chawla
11 Key Probability Distributions in Data Science
Essential for statistical modeling.
 • 
Avi Chawla
Correlation != Predictiveness
Here’s how to measure predictiveness.
 • 
Avi Chawla
How to Assess Correlation with Ordinal Categorical Data?
The problem with Pearson correlation.
 • 
Avi Chawla
Use Box Plots with Caution! They Can Be Misleading.
...and here's how to prevent being misled by them.
 • 
Avi Chawla
2
MLE vs. EM — What’s the Difference?
A popular interview question.
 • 
Avi Chawla
4
The Biggest Limitation of Pearson Correlation Which Many Overlook
...And what to use instead, along with a genuine advice on summary statistics.
 • 
Avi Chawla
The Most Common Way a Continuous Probability Distribution is Misinterpreted
The difference between probability density function and probability.
 • 
Avi Chawla
1
Why is OLS Called an Unbiased Estimator?
Along with a common misconception about unbiasedness.
 • 
Avi Chawla
4
Are You Using Probability and Likelihood Interchangeably?
If yes, don't. Here's the difference.
 • 
Avi Chawla
3
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