sparsistency

Fetched 2026-10-26 (cache).

Synonyms: persistency

Antonyms: persistency

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|statistics}} Let <math> \mathbf{b} </math> be a vector and define the support <math> \operatorname{supp}(\mathbf{b}) = \{i : \mathbf{b}_i \neq 0\} </math> where <math>\mathbf{b}_i </math> is the <math>i</math>th element of <math>\mathbf{b} </math>. Let <math> \hat{\mathbf{b}} </math> be an estimator for <math> \mathbf{b} </math>. Then sparsistency is the property that the support of the estimator converges to the true support as the number of samples grows to infinity.

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