math – Neurabites

Muffin or Chihuahua: Confusion Matrix and the Base Rate Fallacy

on January 15, 2021February 3, 2021 By daesol

Muffin or chihuahua? Poodle or fried chicken? Puppy or bagel? Shar-pei or towel? Sheepdog or mop? Shar-pei or croissant? Dog or teddy bear? Damn cute right? You may have come across these images if you work in the AI field - especially in computer vision. They're a fun way of testing how accurate an AI [...]

Ergodicity: the Most Over-Looked Assumption

on May 20, 2020February 21, 2021 By daesol

Consider two ways of making purple. Method 1: Alternate red and blue squares. With enough squares, purple emerges. Method 2: Alternate red and blue at various time intervals. With short enough intervals, purple emerges. Method 1 made changes in the space (ensemble) dimension. Method 2 made changes in the time (temporal) dimension. Both converged to [...]