Cheat Sheets
Quick reference cards for the concepts that matter most
Bookmark this page. When you forget what a p-value means at 2am before a deadline, these one-page summaries will save you.
Each cheat sheet maps to an article in the Learning Path. New sheets are added as articles are published.
Descriptive Statistics
Mean, median, mode, variance, standard deviation โ the essential summary numbers and when to use each.
Coming with Week 3 article
Distributions
Normal, binomial, Poisson, uniform โ what they look like, when they appear, and their key properties.
Coming with Week 5 article
Probability Rules
Addition rule, multiplication rule, conditional probability, Bayesโ theorem โ all on one page.
Coming with Week 6 article
Hypothesis Testing
Null vs alternative, Type I & II errors, p-values, confidence intervals โ the decision framework.
Coming with Week 8 article
Regression
Simple & multiple linear regression, coefficients, R-squared, residuals, assumptions โ the essentials.
Coming with Week 10 article
Matrix Operations
Transpose, multiplication, inverse, determinant โ the linear algebra operations that power ML.
Coming with Week 11 article
How to Use These
Each cheat sheet is designed to be printed on a single page or saved as a PDF. Theyโre intentionally minimal โ if you need the full explanation, click through to the linked article.
Save these to your phone or pin them above your desk. The best reference is the one you can access in 3 seconds.
Want a cheat sheet on a specific topic? Let us know.