Centering of rows (constructs) and/or columns (elements).

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Description

Centering of rows (constructs) and/or columns (elements).

Usage

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center(x, center=1, ...)

Arguments

x

repgrid object.

center

Numeric. The type of centering to be performed. 0= no centering, 1= row mean centering (construct), 2= column mean centering (elements), 3= double-centering (construct and element means), 4= midpoint centering of rows (constructs). of the scale(default FALSE). Default is 1 (row centering).

...

Not evaluated.

Value

matrix containing the transformed values.

Note

If scale midpoint centering is applied no row or column centering can be applied simultaneously. TODO: After centering the standard representation mode does not work any more as it remains unclear what color values to attach to the centered values.

Author(s)

Mark Heckmann

Examples

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## Not run: 

center(bell2010)						      # no centering
center(bell2010, rows=T)				  # row centering of grid 
center(bell2010, cols=T)				  # column centering of grid
center(bell2010, rows=T, cols=T)	# row and column centering

## End(Not run)

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