center {OpenRepGrid}

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

Description

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

Usage

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.

Examples

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