2019
DOI: 10.1016/j.jspi.2019.03.006
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Adaptive test for ergodic diffusions plus noise

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Cited by 11 publications
(8 citation statements)
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“…Let us consider the case where it holds nhnγ0 for some γ ∈ (1,3/2]; then, knnormalΔn2=nhn21false/τ0 if γ > 2 − 1/ τ , which is the condition that can be eased with a larger τ . On the other hand, there does not exist any C > 0 such that Ifalse(2,2false),τ=CJfalse(2,2false),τ if τ = 2, which makes it difficult to compose test statistics like the likelihood ratio ones (see Nakakita & Uchida, ). Hence, in practice, a τ value sufficiently close to 2 can be optimal, but it would be hard to discuss goodness‐of‐fit of models when τ = 2 exactly.…”
Section: Resultsmentioning
confidence: 99%
“…Let us consider the case where it holds nhnγ0 for some γ ∈ (1,3/2]; then, knnormalΔn2=nhn21false/τ0 if γ > 2 − 1/ τ , which is the condition that can be eased with a larger τ . On the other hand, there does not exist any C > 0 such that Ifalse(2,2false),τ=CJfalse(2,2false),τ if τ = 2, which makes it difficult to compose test statistics like the likelihood ratio ones (see Nakakita & Uchida, ). Hence, in practice, a τ value sufficiently close to 2 can be optimal, but it would be hard to discuss goodness‐of‐fit of models when τ = 2 exactly.…”
Section: Resultsmentioning
confidence: 99%
“…These contributions, especially the third one, will cultivate the motivation to study statistical approaches for convolutionally observed diffusion processes furthermore, such as estimation of kernel function V appearing in the convoluted diffusion , test theory for parameters and as likelihood-ratio-type test statistics, for example, see [ 29 , 30 ], large deviation inequalities for quasi-likelihood functions and associated discussion of Bayes-type estimators, e.g., [ 6 , 31 , 32 , 33 ]. By these future works, it is expected that the applicability of stochastic differential equations in real data analysis and contributions to the areas with high frequency observation of phenomena such as EEG will be enhanced.…”
Section: Discussionmentioning
confidence: 99%
“…For adaptive parametric estimation for ergodic diffusion processes, many researchers studied and obtained the asymptotic results, see Prakasa Rao [16,17], Yoshida [26], Kessler [10], and Uchida and Yoshida [23]. Nakakita and Uchida [14] investigated the adaptive test for noisy ergodic diffusion processes. They derived the asymptotic null distribution of the adaptive test statistics based on the local means and consistency of the tests under alternatives.…”
Section: Introductionmentioning
confidence: 99%