Tag Archives: Galton

Regression = prediction

[…] these sorts of problems break down into two types: regression problems, in which you need to predict some number, such as weight, given a bunch of other numbers, such as height; and classification problems, in which you need to assign a label, such as spam, given a bunch of numbers, for examples word counts […]

Francis Galton’s Composite Portraiture meets Wittgenstein’s camera

Galton also devised a technique called “composite portraiture” (produced by superimposing multiple photographic portraits of individuals’ faces registered on their eyes) to create an average face. In the 1990s, a hundred years after his discovery, much psychological research has examined the attractiveness of these faces, an aspect that Galton had remarked on in his original […]