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.

Sampling:
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.

Alpha:
Enter the alpha shape parameter to define the gamma distribution.

Beta:
Enter the beta scale parameter to define the gamma distribution.

 

 

Example

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