highly significantp < 0.01
All four methods produce an increase in R 2 , but while the increase produced by PCA, spline, and wavelet approaches are highly significant ( p < 0.01) the change due to Kalman filtering is not significant ( p > 0.05).
All four methods produce an increase in R 2 , but while the increase produced by PCA, spline, and wavelet approaches are highly significant ( p < 0.01) the change due to Kalman filtering is not significant ( p > 0.05).