–20–
Spectrum (slightly smoothed absFFT) of Residuals
OLSQ
ARMA: a=0.6 b=0.1
AR: a=0.6 b=0
MA: a=0 b=0.5
In this voxel:
¥ OLSQ: definitely not ÒwhiteÓ
¥ GLSQ: Òwhite-ishÓ for all 3 correlation models
Block:30s