To generate a figure equivalent to fig. 4 in Thorarinsdottir (2013) consisting of four panels:
All of these plots use ETAS as the null model and the Hector Mine sequence as the observed catalog.
##
## PLEASE NOTE: The components "delsgs" and "summary" of the
## object returned by deldir() are now DATA FRAMES rather than
## matrices (as they were prior to release 0.0-18).
## See help("deldir").
##
## PLEASE NOTE: The process that deldir() uses for determining
## duplicated points has changed from that used in version
## 0.0-9 of this package (and previously). See help("deldir").