.BG
.FN range
.TL
Range of Data
.CS
range(...)
.AG ...
numeric objects.  Missing values (`NA's) are allowed.
.RT
vector of two elements, the first the minimum of all the
elements of all arguments; the second the maximum.  This
function is useful as an argument to plotting when it is
desired to specify the limits for the x- or y-axes.  (See
the example.)
Any `NA's in the input result in `NA's in the output.
.EX
plot(x,y,ylim=range(y,0,1)) # force y-axis to include (0,1)
.KW dplot
.KW math
.WR
