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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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