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(A) The ECDF of Fg1 is given in red, computed for only the 35 years without GGMS events, from polarity phases corresponding to low solar activity (π/2 ≤ φp ≤ 3π/2). The grey lines show 100 bootstrap estimates of the Fg1 ECDF, computed by randomly sampling 35 years from the Fg1 series. Panel B has the same structure as panel A, but instead shows the ECDF of Fr1 in blue. Panels (C) and (D) have the same structure as (A) and (B), but instead show the ECDFs of Fg1 and Fr1 from only those 21 years with GGMS events.
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