expressoWidget: A widget for users to pick correction methods
In affy: Methods for Affymetrix Oligonucleotide Arrays

Description Usage Arguments Details Value Author(s) References See Also Examples

This widget is called by expresso to allow users to select correction methods that will be used to process affy data.

1 2	expressoWidget(BGMethods, normMethods, PMMethods, expMethods, BGDefault, normDefault, PMDefault, expDefault)

`BGMethods`	a vector of character strings for the available methods that can be used as a background correction method of affy data.
`normMethods`	a vector of character strings for the available methods that can be used as a normalization method of affy data.
`PMMethods`	a vector of character strings for the available methods that can be used as a PM correction method of affy data.
`expMethods`	a vector of character strings for the available methods that can be used as a summary method of affy data.
`BGDefault`	a character string for the name of a default background correction method.
`normDefault`	a character string for the name of a default normalization method.
`PMDefault`	a character string for the name of a default PM correction method.
`expDefault`	a character string for the name of a default summary method.

The widget will be invoked when expresso is called with argument "widget" set to TRUE. Default values can be changed using the drop down list boxes. Double clicking on an option from the drop-down list makes an selection. The first element of the list for available methods will be the default method if no default is provided.

The widget returns a list of selected correction methods.

`BG`	background correction method
`NORM`	normalization method
`PM`	PM correction method
`EXP`	summary method

Jianhua Zhang

Documentations of affy package

expresso

if(interactive()){
  require(widgetTools)
  expressoWidget(c("mas", "none", "rma"), c("constant", "quantiles"),
c("mas", "pmonly"), c("liwong", "playerout"))
}