dist2full:
Distance structure to full symmetric matrix
Description
Creates a symmetric distance matrix from a lower triangular vector structure.
It is used to calculate distances within other functions.
This function is for internal use and is not meant to be called by the user.
Value
a full symmetric matrix of distances
References
Becker, R.A.; Chambers, J.M. (1984). S: An Interactive Environment for Data Analysis and Graphics.
Pacific Grove, CA, USA: Wadsworth & Brooks/Cole. ISBN 0-534-03313-X.