math – Neurabites

Muffin or Chihuahua: Confusion Matrix and the Base Rate Fallacy

on January 15, 2021December 7, 2022 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? You may have come across these images if you work in a technical field. These mix ups are a fun way of testing classification accuracy. But what exactly does it mean when [...]

Ergodicity: the Most Over-Looked Assumption

on May 20, 2020December 7, 2022 By daesol

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