Pedasanagantiphani·Just nowCovariance and Correlation Finally Made Sense When I Stopped Memorizing FormulasMy journey from confusion to understanding one of the most important concepts in statistics.
Rayan·7h agoPrincipal Component Analysis Example: PCA by Hand on Five Points, Checked in NumPyFive points. Two features. One line that keeps 85.7% of the information. That’s the whole principal component analysis example below, and I…A response icon1A response icon1
Rayan·7h agoLogistic Regression Example: Predicting Churn From Support Tickets, Worked by HandEight customers. For each one I know how many support tickets they opened last month and whether they cancelled. A customer with 5 tickets…
InLive ViewbyMichael Alford·10h agoPhotoStatistica Can Ask Smart Questions About Your PhotographyIts answers will help improve your workA response icon1A response icon1
Unicorn Day·18h agoThe Ghost in the Data: Why Statisticians Don’t Count to NYou walk into a café with two friends. The total bill comes to exactly $30.
InLevel Up CodingbyNagesh Singh Chauhan·18h agoDimensionality Reduction: Principal Component Analysis (PCA)The article focussed on design principles of the PCA algorithm for dimensionality reduction and its implementation in Python from scratch.A response icon1A response icon1
QuestionClass·21h agoWhy Do Random Patterns Look Meaningful?Our brains are excellent at finding patterns. Randomness is excellent at producing patterns that look worth finding.
Atticus | Better Decisions·22h agoA Practical Taxonomy of A/B Test Results: Seven Outcomes and What to Do NextKey takeaway Classify the statistical evidence separately from the shipping decision. Check validity first, then interpret uncertainty…A response icon1A response icon1
Phillip Dungan·22h agoField Goals — Kicking my way DowntownAs an avid NFL fan, I also play fantasy football. Kickers seem to be an issue this season, as it has felt, anecdotally, that they are…
NTTP·23h agoThe opposite of a Black Swan: a Golden Goose?We can model it!A response icon1A response icon1
