preparePlot function

Prepare graphics device

Based on provided fileName opens and sets appropriate graphical device: pdf, postscript, interactive graphical window, or (only on windows) windows metafile,.

preparePlot(fileName="Rplot",...)

Arguments

• fileName: Name of the file to store the output to.
• ...: Further parameters passed to device.

Details

The function opens the graphical output device based on fileName extension. The extensions .pdf, .ps, .jpg, .bmp, .tif, .png, .tiff or none select pdf, postscript, jpeg, bmp, tiff,png, bitmap

or a default (interactive) graphical device.

On Windows also .emf extension is supported which opens win.metafile

and creates vector graphics in windows enhanced metafile format.

The extension .tiff opens bitmap device which produces bitmap via postscript device. Therefore it requires Ghostscript to be installed and on the executable path.

Some sensible default values are passed to created devices, but further options can be passed via ....

Returns

A plot device is opened and nothing is returned to the R interpreter.

Author(s)

Marko Robnik-Sikonja

See Also

CORElearn, plot.ordEval, pdf, postscript, jpeg, bmp, tiff, png, Devices

Examples

# prepare a data set
    dat <- ordDataGen(200)
    # evaluate ordered features with ordEval
    oe <- ordEval(class ~ ., dat, ordEvalNoRandomNormalizers=200)
    
    # the folowing line if uncommented will create a separate 
    # postscript file with given filename for each attribute   
    # preparePlot("myGraph%03d.ps") 
    
    plot(oe)
    dev.off()