Dear readers,

I would like to know the default value of the bandwidth of the Epanechnikov kernel which is used in calculating a pcf.

For example

pp = rSSI(0.1,50)     #a point pattern
plot(pcf(pp))              #the pcf of this point pattern

There is a kernel bandwidth calculated here according to Stoyan's rule of thumb. But what is its value, is it possible to retrieve this in a simple way?

Stoyan's rule of thumb = bw = c/sqrt(lambda).

lambda is the point density and is known,
c is a value between 0.1 and 0.2 according to the documentation, but I don't know how c is exactly calculated.

I could search for the book of Stoyan but perhaps there is a simpler way?

thanks

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