cor2 function

Utility function

Called by various functions to calculate Pearson or angular correlation matrices.

cor2(x, y = NULL, circ = FALSE)

Arguments

• x: a matrix.
• y: an optional second matrix.
• circ: If TRUE, the observations are assumed to be angular (in radians), and circular correlation is used. If FALSE, Pearson product moment correlations is returned.

Returns

A correlation matrix is returned.

Details

An auxilliary function to ease the maintenance.

References

Jammalamadaka, S. Rao and SenGupta, A. (2001). Topics in Circular Statistics, Section 8.2, World Scientific Press, Singapore.