Results 31 to 40 of about 188,817 (310)
Nonlinear time series analysis of geomagnetic pulsations [PDF]
Nonlinear Processes in Geophysics, 1994 A detailed nonlinear time series analysis has been made of two daytime geomagnetic pulsation events being recorded at L'Aquila (Italy, L ≈ 1.6) and Niemegk (Germany, L ≈ 2.3).
Z. Vörös, J. Verö, J. Kristek
doaj
Non-linear auto-regressive models for cross-frequency coupling in neural time series. [PDF]
PLoS Computational Biology, 2017 We address the issue of reliably detecting and quantifying cross-frequency coupling (CFC) in neural time series. Based on non-linear auto-regressive models, the proposed method provides a generative and parametric model of the time-varying spectral ...
Tom Dupré la Tour +6 more
doaj +1 more source
Applied Sciences, 2022 Objective: Converging evidence supporting an effect of transcranial direct current stimulation (tDCS) on postural control and human verticality perception highlights this strategy as promising for post-stroke rehabilitation.
Diandra B. Favoretto +10 more
doaj +1 more source
ASYMPTOTICS FOR NONLINEAR TRANSFORMATIONS OF INTEGRATED TIME SERIES [PDF]
Econometric Theory, 1999 Summary: An asymptotic theory for stochastic processes generated from nonlinear transformations of nonstationary integrated time series is developed. Various nonlinear functions of integrated series such as ARIMA time series are studied, and the asymptotic distributions of sample moments of such functions are obtained and analyzed.
Peter C.B. Phillips, Joon Y. Park
openaire +2 more sources
Model selection for nonlinear time series [PDF]
Empirical Economics, 2004 We investigate the finite-sample performance of model selection criteria for local linear regression by simulation. Similarly to linear regression, the penalization term depends on the number of parameters of the model. In the context of nonparametric regression, we use a suitable quantity to account for the Equivalent Number of Parameters as ...
openaire +2 more sources
Consistent testing of functional form in time series models [PDF]
, 2014 Publihsed as chaper 2 of Essays in Nonlinear Time Series Econometrics; ed. by Niels Haldrup, Mika Meitz, and Pentti Saikkonen. Oxford University Press, 2014.
Davidson, James +3 more
core +1 more source
Molecular Oncology, EarlyView.The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka +9 more
wiley +1 more source
Sensors, 2022 Photoplethysmography is a widely used technique to noninvasively assess heart rate, blood pressure, and oxygen saturation. This technique has considerable potential for further applications—for example, in the field of physiological and mental health ...
Nina Sviridova +3 more
doaj +1 more source
FEBS Open Bio, EarlyView.Pharmacological inhibition of PERK in a DEN‐induced mouse model of liver cancer does not reduce tumor burden but alters cellular stress signaling. Despite blocking PERK activity, downstream stress responses, including CHOP expression, remain active, suggesting compensatory mechanisms within the unfolded protein response that may influence tumor ...
Ada Lerma‐Clavero +5 more
wiley +1 more source
Aerospace, 2023 General aviation accidents have complex interactions and influences within them that cannot be simply explained and predicted by linear models. This study is based on chaos theory and uses general aviation accident data to conduct research on different ...
Yufei Wang +4 more
doaj +1 more source