🛠️ Invention or technique

Probit model

Modelo probit

Date
1934 · confidence medium
Place
New Haven, Connecticut, United States
Credited to
Chester Ittner Bliss
Field
Knowledge & symbols

What it is

Regression model for binary dependent variables based on the cumulative normal distribution function, estimating category membership probability from explanatory variables; introduced by Chester Bliss.

What it led to

  • Logistic regression as a common alternative
  • Discrete choice models in econometrics
  • Dose-response toxicology analysis
  • Binary classification in applied statistics

Links

Sources✓ verified 2026-09-28