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A set of loss-differences for horizons H=1,...,20, that has aSPA, but not uSPA.
data(LossDiff_aSPA)
A matrix TxH. Each column is a loss-function for horizon h=1,..H.
Quaedvlieg, Rogier. "Multi-horizon forecast comparison." Journal of Business & Economic Statistics 39.1 (2021): 40-53.
Test_aSPA to test for aSPA.
Test_aSPA