Read a Point Process Object from a File

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ppinit(file)

file string giving file name

Read a file in standard format and create a point process object.

The file should contain

the number of points

a header (ignored)

xl xu yl yu scale

x y (repeated n times)

pp object with components x, y, xl, xu, yl, yu

Calls ppregion to set the domain.

towns <- ppinit("towns.dat")
par(pty="s")
plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)")