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marginalize out

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English

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Verb

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marginalize out (third-person singular simple present marginalizes out, present participle marginalizing out, simple past and past participle marginalized out)

  1. (mathematics) The act of discarding a subset of random variables from a probability distribution to find the marginal distribution.
    • 2016, Ian Goodfellow, Yoshua Bengio, Aaron Courville, chapter 5, in Deep Learning[1], page 98:
      One way to efficiently define such a large set of functions is to learn a probability distribution over all the relevant variables, then solve the classification task by marginalizing out the missing variables.
    • 2006, Cristopher M. Bishop, chapter 12, in Pattern Recognition and Machine Learning, page 581:
      To do this, we need to marginalize out the model parameters , , and with respect to appropriate prior distributions.