Gringorten plotting position

The Gringorten plotting position for the rth-ranked datum in ascending order (from smallest to largest) from a sample of size n is the quotient:

See plotting position, probability paper.

Gringorten, I. I. 1963. A plotting rule for extreme probability paper. J. Geophys. Res., 68. No. 3, . 813–814.

Gumble, E. J. 1941. Probability interpretation of the observed return periods of floods. Trans. Amer. Geophys. Union, 21. 836–850.

Term edited 12 September 2023.