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Chow–Liu tree
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<p>In probability theory and statistics Chow–Liu tree is an efficient method for constructing a second-<a href="/facts/Orders_of_approximation/FxajXyHk">order</a> product approximation of a <a href="/facts/Joint_probability_distribution/klX2ksGY">joint probability distribution</a>, first described in a paper by Chow & Liu (1968). The goals of such a decomposition, as with such <a href="/facts/Bayesian_networks/Ry31vq6T">Bayesian networks</a> in general, may be either <a href="/facts/Data_compression/gMFuY4FT">data compression</a> or <a href="/facts/Inference/RBbe95bP">inference</a>. </p>