Zobrazeno 1 - 10
of 417
pro vyhledávání: '"Goto Yuichi"'
Autor:
Goto, Yuichi, Hallin, Marc
Time-reversibility is a crucial feature of many time series models, while time-irreversibility is the rule rather than the exception in real-life data. Testing the null hypothesis of time-reversibilty, therefore, should be an important step prelimina
Externí odkaz:
http://arxiv.org/abs/2411.11248
The spectral clustering algorithm is often used as a binary clustering method for unclassified data by applying the principal component analysis. To study theoretical properties of the algorithm, the assumption of conditional homoscedasticity is ofte
Externí odkaz:
http://arxiv.org/abs/2309.06264
Autor:
Goto, Yuichi, Fujimori, Kou
The integer autoregressive (INAR) model is one of the most commonly used models in nonnegative integer-valued time series analysis and is a counterpart to the traditional autoregressive model for continuous-valued time series. To guarantee the intege
Externí odkaz:
http://arxiv.org/abs/2307.10276
Coherence is a widely used measure to assess linear relationships between time series. However, it fails to capture nonlinear dependencies. To overcome this limitation, this paper introduces the notion of residual spectral density as a higher-order e
Externí odkaz:
http://arxiv.org/abs/2305.19461
Autor:
Goto, Yuichi, Kley, Tobias, Van Hecke, Ria, Volgushev, Stanislav, Dette, Holger, Hallin, Marc
Publikováno v:
Ann. Statist. 50(6): 3563-3591 (December 2022)
Frequency domain methods form a ubiquitous part of the statistical toolbox for time series analysis. In recent years, considerable interest has been given to the development of new spectral methodology and tools capturing dynamics in the entire joint
Externí odkaz:
http://arxiv.org/abs/2112.07077
We consider the sparse principal component analysis for high-dimensional stationary processes. The standard principal component analysis performs poorly when the dimension of the process is large. We establish the oracle inequalities for penalized pr
Externí odkaz:
http://arxiv.org/abs/2109.00299
Autor:
Kakehashi, Hiroe, Sakamoto, Mizuki, Moriyama, Masafumi, Goto, Yuichi, Kitamura, Ryoji, Ogata, Kenichi, Nakamura, Seiji, Kawano, Shintaro
Publikováno v:
In Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology July 2024 36(4):471-477
Autor:
Hozaka, Yuto, Oi, Hideyuki, Satake, Souichi, Uchino, Yoshinori, Goto, Yuichi, Idichi, Tetsuya, Tanoue, Kiyonori, Yamasaki, Yoichi, Kawasaki, Yota, Mataki, Yuko, Kurahara, Hiroshi, Nakajo, Akihiro, Higashi, Michiyo, Tanimoto, Akihide, Sugiura, Tsuyoshi, Ohtsuka, Takao
Publikováno v:
In Surgery February 2023 173(2):503-510
Autor:
Ohara, Hiroaki, Hosokawa, Motoyasu, Awaya, Tomonari, Hagiwara, Atsuko, Kurosawa, Ryo, Sako, Yukiya, Ogawa, Megumu, Ogasawara, Masashi, Noguchi, Satoru, Goto, Yuichi, Takahashi, Ryosuke, Nishino, Ichizo, Hagiwara, Masatoshi
Publikováno v:
In Molecular Therapy - Nucleic Acids July 2023