ScreeplotGUI {DASplusR}R Documentation

GUI for the Scree Plot

Description

Starts the graphical user interface for the function screeplotDAS, which is executed to produce the plot when the OK button is clicked.

Usage

## DAS+R GUI:
Check the 'Scree Plot' checkbox in the PCA dialog.

## R Function Usage:
ScreeplotGUI(objName)

Arguments

objName The name of an object of class "princomp" as a character string.

Dialog Elements

Title:
Entry field for the plot title.
X-Axis Label:
Entry field for the x-axis label.
Details:
Clicking this radiobutton opens a dialog for specifying further details on the plot title and the axis labels.
Eigenvalue Details
Axis Label:
Entry field for the label of the eigenvalue axis.
Color:
The drop-down list contains all colors of the currently used color menu. Either choose the color for the eigenvalues from the drop-down list, or open the Select Color dialog by clicking the radiobutton on the right, and select the color there. The selected color is also used for the tickmarks on the eigenvalue axis.
Symbol:
The symbol for the eigenvalues can be selected in the same manner as the color: use the drop-down list to select a symbol of the currently used symbol set, or click on the radiobutton to open the Select Symbol dialog, and select the symbol there.
Symbol Size:
Entry field for the symbol size.
Line Type:
Select the line type for the eigenvalues from the drop-down list. Possible choices are blank, solid, dashed, dotted, dotdash, longdash and twodash.
Line Width:
Entry field for the line width.
Cumulative % Details
Axis Label:
Entry field for the label of the cumulative % axis.
Color:
The color for the cumulative proportions of the variance and the tickmarks on the cumulative % axis can be selected like the color for the eigenvalues.
Symbol:
Also the symbol for the cumulative proportions of the variance can be selected in the same manner as the symbol for the eigenvalues.
Symbol Size:
Entry field for the symbol size.
Line Type:
Drop-down list for selecting the line type for the cumulative proportions of the variance.
Line Width:
Entry field for the line width.
Default:
Resets all the dialog elements to their default values.
OK:
Closes the dialog and executes screeplotDAS to produce the plot.
Cancel:
Closes the dialog without executing screeplotDAS.
Help:
Shows this help file.

Side Effects

A plot is produced on the current graphics device.

Author(s)

Andreas Alfons <andreas.alfons@student.tuwien.ac.at>

References

Mardia, K.V., Kent, J.T. and Bibby, J.M. (1979) Multivariate Analysis. Academic Press.

Reimann, C., Filzmoser, P., Garrett, R.G. and Dutter, R. (2008) Statistical Data Analysis Explained. Wiley & Sons.

See Also

screeplotDAS, ScreeplotDetails, PrincompGUI, BiplotMain.


[Package DASplusR version 0.0-2 Index]