COST Action ES0803
Open Access
Research Article

Table 2.

Success rate of forecasting geomagnetic response in terms of Cramer’s V and the contingency coefficient C for independent test specimens in 2005 and 2006 (from Valach et al. 2009).

Input parameters Contingency coefficient C
λ, φ, RSP II/IV, XRA class 0.467
λ, φ, RSP II/IV, XRA class, Δlog(F) 0.553
λ, φ, Δlog(Φ) 0.544
λ, φ, RSP II/IV, XRA class, Δlog(Φ) 0.637

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