[R] bizarre axes with xyplot, problem in data?

[Deepayan Sarkar]

On Thu, Oct 30, 2008 at 11:43 AM, Phillip Porter <philnotfil at gmail.com> wrote:
> My SAS brain was still plugged in.  I had a missing data point entered as a
> "."  I didn't think anything of it since SAS treats that as missing data.
> Apparently it confuses R.  I deleted the "." re-imported the data and
> everything was beautiful.  If anyone is bored I am still interested in why R
> orders lattice plots from bottom to top.

This is a convention carried over from S-PLUS. Of course, not everyone
likes it in all cases, and it is easy to change it by adding
'as.table=TRUE' in your call.

-Deepayan