Brian Dunning's FileMaker Custom Functions

RandomPoisson ( mean )

Returns random values from a Poisson distribution

  Average rating: 4.6 (30 votes) Log in to vote

Jeremy Bante   Jeremy Bante

https://github.com/jbante/

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  Sample input:
List (
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 );
RandomPoisson ( 10 )
)
  Sample output:
8
9
6
13
12
15
9
6
6
11

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

When called repeatedly with the same input, RandomPoisson returns values that are Poisson distributed with mean given by the function argument. This function uses the inverse transform method to generate values.

 

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