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Portland, OR: Department of Agriculture, Forest Service, Pacific Northwest Research Station
T.BergamaschiM
Results indicated that the method used for the 1990 NDNS gave a significantly lower mean EGRAC value than both the 2003 NDNS method and the in-house method ( P 005) for the 2003 NDNS method and the Powers method but not normally distributed for the 1990 NDNS method, and therefore a Wilcoxon matched-pair test was used to compare the median values between the three methods
The timing principle applies across the stack
