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psych (version 2.4.1)

cor2dist: Convert correlations to distances (necessary to do multidimensional scaling of correlation data)

Description

A minor helper function to convert correlations (ranging from -1 to 1) to distances (ranging from 0 to 2). \(d = \sqrt{(2(1-r))}\).

Usage

cor2dist(x)

Value

dist: a square matrix of distances.

Arguments

x

If square, then assumed to be a correlation matrix, otherwise the correlations are found first.

Author

William Revelle

References

Revelle, William. (in prep) An introduction to psychometric theory with applications in R. Springer. Working draft available at https://personality-project.org/r/book/