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Superfamily classification of nonstationary time series based on DFA scaling exponents
Superfamily classification DFA scaling exponents
2010/11/3
The superfamily phenomenon of time series with different dynamics can be charac-terized by the motif rank patterns observed in the nearest-neighbor networks of the time series in phase space. However,...
Functional-coefficient models for nonstationary time series data
Nonstationary Nonlinearity Semiparametric estimation
2011/4/2
This paper studies functional coefficient regression models with nonstationary time series data, allowing also for stationary covariates. A local linear fitting scheme is developed to estimate the coe...
Time vs. Ensemble Averages for Nonstationary Time Series
Time Ensemble Averages Nonstationary Time Series
2010/12/17
We analyze the question whether sliding window time averages applied to stationary increment processes converge to a limit in probability. The question centers on averages, correlations, and densities...
Integration I(d) of Nonstationary Time Series: Stationary and nonstationary increments
Integration Nonstationary Time Series Stationary nonstationary increments
2010/12/17
The method of cointegration in regression analysis is based on an assumption of stationary increments. Stationary increments with fixed time lag are called integration I(d). A class of regression mod...
Cowles commission structural equation approach in light of nonstationary time series analysis
Cowles commission structural equation approach nonstationary time series analysis
2010/4/27
We review the advancement of nonstationary time series analysis
from the perspective of Cowles Commission structural equation approach.
We argue that despite the rich repertoire nonstationary time s...