Pointwise minimax rate for Hölder density estimation
= Pointwise minimax rate for Hölder density estimation
Over a one-dimensional Hölder density class of smoothness $\beta$, the optimized pointwise mean-squared error has order $n^{-2\beta/(2\beta+1)}$. A kernel of sufficiently high order balances squared bias $h^{2\beta}$ against variance $(nh)^{-1}$.