| Figure 3: Different statistical effects in group sunspot number cycles 7–22: (a) Gnevyshev-Ohl GO1; (b) Gnevyshev-Ohl GO2; (c) Waldmeier W1; (d) Waldmeier W2; (e) amplitude-period AP1; (f) amplitude-period AP2. A standard deviation from the linear fit is shown with dotted lines. |
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