.BG
.VE $Header: /usr3/s/current/s/.help/RCS/len,v 1.2 83/12/30 19:29:45 rab Exp $
.FN len
.TL
len: Length of a vector
.CS
len(x)
.PP
.AG x
vector structure.  Missing values (NAs) are allowed.
.RT
the number of data values in `x'.
.KW basic*
.KW attribute
.WR
