Its function and yahoo

| > Hoow would I 
| > a) have the date appear in years or months etc 
| 
| Look at ?aggregate.zoo and look into the archives of this mailing list.

I think what Jonathan asked for her was something like

	> plot(z, xaxt="n")
	> axis.Date(1, index(z), format="%b-%Y")

which also gets discussed now and then on the lists. So RTFM + RTFL apply.

Cheers, Dirk

An economist is an expert who will know tomorrow why the things he 
predicted yesterday didn't happen today.  --  Laurence J. Peter