A Correction of Pseudo Log-Likelihood Method
arxiv(2024)
摘要
Pseudo log-likelihood is a type of maximum likelihood estimation (MLE) method
used in various fields including contextual bandits, influence maximization of
social networks, and causal bandits. However, in previous literature
, the log-likelihood function
may not be bounded, which may result in the algorithm they proposed not
well-defined. In this paper, we give a counterexample that the maximum pseudo
log-likelihood estimation fails and then provide a solution to correct the
algorithms in .
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