Manual Page for Command >> BOX-COX

Syntax
>> BOX-COX

Parent Command
> PARAMETER

Subcommand
>>> NONE

Description
This command selects parameter lambda of the Box-Cox transformation as the parameter to be adjusted or estimated. To address a violation of the homoscedasticity assumption, the Box-Cox transformation can be applied to the measured and simulated data as follows:


The Box-Cox transformation relates to a data set in block >> OBSERVATION, which must contain the command >>>> BOX-COX: lambda. The data set is identified by its sequence number through subcommand >>>> INDEX.

Example
> PARAMETER
>> BOX-COX
>>> NONE
>>>> VALUE
>>>> INDEX : 1
>>>> RANGE : -1.0 1.0
>>>> VARIATION : 0.1
<<<<
<<<
<<

> OBSERVATION
>> PRESSURE
>>> ELEMENT : A1125
>>>> Read DATA from FILE : pres.col
>>>> standard DEVIATION : 200.0 Pa
>>>> BOX-COX : 0.1
<<<<
<<<

See Also
>>>> BOX-COX

Back to Command Index

Page updated: January 4, 2010