Statistics

25 Most Important Mathematical Definitions in DS

...in a single frame.

Apr 11, 2025 • Avi Chawla

11 Most Important DS Plots

...summarized visually.

Apr 2, 2025 • Avi Chawla

How are QQ Plots Created?

Creating one from scratch.

Mar 20, 2025 • Avi Chawla

Use Box Plots with Caution! They Can Be Misleading.

They can be misleading.

Nov 16, 2024 • Avi Chawla

How to Assess Correlation on Ordinal Data?

The problem with Pearson correlation.

Nov 15, 2024 • Avi Chawla

MLE vs. EM — How Do They Differ?

A popular interview question.

Sep 30, 2024 • Avi Chawla

Are You Assessing Monotonicity or Linearity?

Monotonic != Linear.

Sep 23, 2024 • Avi Chawla

Introduction to Quantile Regression

Going beyond point estimates.

Aug 31, 2024 • Avi Chawla

How to read Statsmodel Regression Summary?

A simplified guide.

Aug 8, 2024 • Avi Chawla

Multivariate Covariate Shift — Part 1

Here's what most people overlook when detecting covariate shift.

Jul 31, 2024 • Avi Chawla

Where Did the Regularization Term Originate From?

An intuitive and probabilistic guide to regularization.

Jul 17, 2024 • Avi Chawla

Are you Misinterpreting Continuous Probability Distributions?

The difference between probability density function and probability.

Jul 4, 2024 • Avi Chawla

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