Derives sharp minimax rates for linear functional estimation of sparse vectors and near-optimal adaptive procedures for broad classes of loading vectors.
Tsybakov,Minimax estima- tion of linear and quadratic functionals on sparsity classes, The Annals of Statistics 45(2017), no
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Minimax and adaptive estimation of general linear functionals under sparsity
Derives sharp minimax rates for linear functional estimation of sparse vectors and near-optimal adaptive procedures for broad classes of loading vectors.