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stat.ME2023
Wavelet estimation of nonstationary spatial covariance function
Yangyang Chen, Pedro Alberto Morettin, Ronaldo Dias +1
This work proposes a new procedure for estimating the non-stationary spatial covariance function for Spatial-Temporal Deformation. The proposed procedure is based on a monotonic fu…
stat.ME2023
Time-varying STARMA models by wavelets
Yangyang Chen, Pedro Alberto Morettin, Chang Chiann
The spatio-temporal autoregressive moving average (STARMA) model is frequently used in several studies of multivariate time series data, where the assumption of stationarity is imp…