English Lexicon

Temporal-Difference

/ˈtɛmpərəl ˈdɪfərəns/
nounCEFR C1 (Advanced)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A method of learning in which the difference in predicted and actual outcomes is used to update predictions over time.

    "In reinforcement learning, the agent uses temporal-difference learning to improve its predictions based on past experiences."
  2. 2

    A specific approach in machine learning that combines ideas from dynamic programming and Monte Carlo methods.

    "Temporal-difference methods are crucial for developing algorithms that can learn optimal strategies in uncertain environments."

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Linguistic Origin & Historical Etymology

The term 'temporal-difference' combines 'temporal', derived from the Latin 'temporalis', meaning 'of time', and 'difference', from the Latin 'differentia', meaning 'distinction'. The phrase is often used in fields such as psychology and machine learning to describe methods that involve time-based learning and prediction.

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