G(r), F(r) and J(r) Functions

This function has been used 240 times.
Source data

Source data must be without header in columns as: [X] [Y] (every case in a separate row, column separator can be either space, tab or semicolon, decimal separator can be either point or comma. Lines beginning with a character are excluded.

G(r) is the probability to find an object within radius r from another object,
F(r) is the same probability from a random location, and:
J(r) = [1 - G(r)] / [1 - F(r)].

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