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Magnitude distribution estimation method: Four different methods are available in the IS-EPOS platform: The Unbounded Gutenberg-Richter, the Upper-bounded Gutenberg-Richter, the unbounded non-parametric and the Upper-bounded non parametric estimations. To select one of the aforementioned methods of analysis, the User has to click on the arrow in the respective box.
Figure 3.
Time window step (days): In this field the User selects the time window step, i.e. the number of days between the starting dates of subsequent datasets (see figure 4 for details).
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Method of creating windows: Two options are available at this field after clicking on the small arrow of the tab: "TIME" and "EVENTS". If ".
TIME" is selected, the given value corresponds to the duration of each dataset, in days. If "EVENTS" is selected instead, the given value corresponds to the number of events that each dataset contains (see figure 4 for details).
Figure 4. The time window step is set to 5 days in both cases. Notice that the each starting date has 5 days difference from the previous one. Left frame: Parameters set are "Time window size" equal to 100 days and "Method of creating windows" selected to be "TIME". In this case the number of events differs in each dataset, but the time range (difference between ending and starting dates) is 100 days for all the datasets. Right frame: Parameters set are "Time window size" equal to 75 (events) and "Method of creating windows" selected to be "EVENTS". In this case the number of events the same in all dataset and equal to 100, but the time range (difference between ending and starting dates) is different for each datasetFigure 3.
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