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elasticsearch-js/docs/reference/api/SearchSmoothingModelContainer.md
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SearchSmoothingModelContainer [interface-SearchSmoothingModelContainer]

Name Type Description
laplace SearchLaplaceSmoothingModel A smoothing model that uses an additive smoothing where a constant (typically 1.0 or smaller) is added to all counts to balance weights.
linear_interpolation SearchLinearInterpolationSmoothingModel A smoothing model that takes the weighted mean of the unigrams, bigrams, and trigrams based on user supplied weights (lambdas).
stupid_backoff SearchStupidBackoffSmoothingModel A simple backoff model that backs off to lower order n-gram models if the higher order count is 0 and discounts the lower order n-gram model by a constant factor.