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- 渡辺 正文
- 福岡大学応用数学科
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Let $ {Yn} $ be a sequence of dependent random variables and $ {Phi_n (cdot, cdot) } $ be a sequence of Borel functions. Let $ \theta_n $ be a solution of the equation $ M_n(x) = 0 $ for each $ n geqq 1 $, where $ M_n(x) = mathrm{E} Phi_n(x, Y_n) $. A Robbins-Monro type stochastic approximation procedure $ X_{n+1} = X_n - a_n Phi_n(X_n, Y_n) $ is considered for estimating $ \theta_n $ for $ n $ sufficiently large. Under some assumptions about $ {a_n},{\theta_n},{Y_n} $ and $ {Phi_n(cdot, cdot)} $ which may not include the fundamental condition $ mathrm{E}[Phi_n(X_n, Y_n) mid X_1, cdots, X_n] = M_n(X_n) $ a.s., the a.s. convergence and in mean-square convergence of $ mid X_n - \theta_n mid $ to zero are studied.
収録刊行物
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- Bulletin of Mathematical Statistics
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Bulletin of Mathematical Statistics 19 (3/4), 25-42, 1981-03
統計科学研究会
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詳細情報 詳細情報について
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- CRID
- 1390572174802471296
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- NII論文ID
- 120001036968
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- NII書誌ID
- AA00105332
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- DOI
- 10.5109/13146
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- HANDLE
- 2324/13146
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- ISSN
- 00074993
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
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- 使用可