format
A list providing a summary of the data. The list contains:
lcl{
blauduncan$means
: the mean vector,
blauduncan$stddev
: the vector of standard deviations,
blauduncan$corr
: the correlation matrix, and
blauduncan$n
: the sample size.
}source
Blau, P. & Duncan, O. (1967) The American Occupational
Structure. New York: Wiley. (See p.13 and p.169).