help betaprior

Title

Calculates the parameters of a Beta distribution given the mean and variance

Syntax

betaprior
[, options]

Main
mean(#) specifies the mean of the required Beta distribution.

variance(#) specifies the variance of the required Beta distribution.

graph specifies that a graph of the distribution be produced.

Description

The command betaprior calculates the two parameters for a Beta distribution given specified values for the
mean and variance.

Options

Main

mean(#) specifies the mean of the required Beta distribution. The default value is 0.2.

variance(#) specifies the variance of the required Beta distribution. The default value is 0.1.

graph specifies that a graph of the distribution be produced.

Examples

To find the parameters of the Beta distribution with a mean 0.4 and variance of 0.2

betaprior, m(0.4) v(0.2) g

Author

Adrian Mander, MRC Biostatistics Unit, Cambridge, UK.

Email adrian.mander@mrc-bsu.cam.ac.uk