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. Author manuscript; available in PMC: 2008 May 21.
Published in final edited form as: Inf Syst. 2008 Mar;33(1):115–132. doi: 10.1016/j.is.2007.07.002

Table 3.

Tightness of approximation values for PVQA when varying the percentage of data used for training and testing.

Percentage of data used for training and testing 70/30% 80/20% 90/10% 96/4% 98/2%
sunspot 1.07 1.06 1.06 1.07 1.06
ballbeam 1.02 1.05 1.05 1.06 1.04
ocean 1.04 1.01 1.00 1.01 1.00
powerplant 1.06 1.06 1.06 1.06 1.06
tide 1.12 1.13 1.13 1.12 1.13
chaotic 1.03 1.06 1.06 1.06 1.07
power_data 1.06 1.03 1.03 1.02 1.02
water 1.25 1.23 1.23 1.23 1.23