Statistical Effects in the Solar Activity Cycles during AD 1823–1996
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.