Gamma Distribution

Transform > Random Data > Gamma


Generates random data from a gamma distribution.

The gamma distribution is often used to model positively skewed data. Use when random variables are greater than 0.



Dialog box items

Target Column:
Enter a storage column for the generated values. Leave blank to have VisualStat automatically name the target column.

Choose from the following options:

oSample Size: Enter the number of rows of random data you want to generate.

oDistribution: Select the distribution for the variable.

oSet Seed with: Lets you start a random number sequence with a seed you specify.

Enter the alpha shape parameter to define the gamma distribution.

Enter the beta scale parameter to define the gamma distribution.




Example of generating random normal data




See Also:

Random Data

Web Resource: NIST e-Handbook of Statistical Methods, 2006 | Weisstein, Eric W., Wolfram MathWorld. | Wikipedia