In statistics and machine learning, describing a model or process where future values are predicted based on previous values of the same variable.
From 'auto-' (self) and 'regressive' (relating to regression analysis). This technical term became standard in statistics and economics in the mid-20th century and is essential to modern AI and forecasting.
Autoregressive models are what power ChatGPT—each word it generates is predicted based on all the previous words it wrote, so the system is always predicting based on what it just did, like a person finishing sentences they already started.
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