NTRANDPOISSON

Returns Poisson pseudo random number(s) based on Mersenne Twister Algorithm which has long period (2¹⁹⁹³⁷-1), high order of equidistribution (623 dimensions).

Syntax

Parameters

• Size is # of random numbers (Positive integer).
• Mean is the arithmetic mean of the distribution.
• Algorithm is a integer value that determines a method to generate uniform random number.
  • 0: Mersenne Twister(2002)
  • 1: Mersenne Twister(1998)
  • 2: Numerical Recipes
    ran2()
• Random seed1 is 1st. random seed.
• Random seed2 is 2nd. random seed.

Remarks

• Random numbers are integer.
• The distribution has semi-infinite support .

Example

• The example may be easier to understand if you copy it to a blank worksheet
  
  
  
  How to copy an example
  
  1. Create a blank workbook or worksheet.
  2. Select the example in the Help topic.

     Note  Do not select the row or column headers.

     

     Selecting an example from Help

  3. Press CTRL+C.
  4. In the worksheet, select cell A1, and press CTRL+V.
  5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.

  1 2 3 4

  A B Data Description 5 Mean of the distribution Formula Description (Result) =NTRANDPOISSON(100,A2,0) 100 Poisson deviates based on Mersenne-Twister algorithm for which the parameters above

  Note The formula in the example must be entered as an array formula. After copying the example to a blank worksheet, select the range A4:A103 starting with the formula cell. Press F2, and then press CTRL+SHIFT+ENTER.

• Download sample excel sheet
• See tutorial video

See also

• NTPOISSONDIST
• NTPOISSONKURT
• NTPOISSONMEAN
• NTPOISSONMOM
• NTPOISSONSKEW
• NTPOISSONSTDEV
• Poisson distribution
• Choice of the random number generator algorithm
• Why I always see the same result even if I input formula into multiple cell?