CA function

Correspondence Analysis

Correspondence Analysis for a frequency or abundace data matrix.

CA(x, dim = 2, alpha = 1)

Arguments

• x: The frequency or abundance data matrix.
• dim: Dimension of the final solution
• alpha: Alpha to determine the kind of biplot to use.

Details

Calculates Correspondence Analysis for a tww-way frequency or abundance table

Returns

Correspondence analysis solution

References

Benzécri, J. P. (1992). Correspondence analysis handbook. New York: Marcel Dekker.

Greenacre, M. J. (1984). Theory and applications of correspondence analysis. Academic Press.

Author(s)

Jose Luis Vicente Villardon

Examples

data(SpidersSp)
cabip=CA(SpidersSp)
plot(cabip)