Jacques VESLOT wrote:
Sorry sorry, I didn't pay enough attention to order() help pages indeed... and it costs me much useless indexing.
As concerns how to put legend in image() plot, is there a piece of information about somewhere ? thanks a lot for helping,
Jacques VESLOT
In the same way as in usual plots.
Note that filled.contour() might be another choice of such a plot that already plots a legend ...
Uwe Ligges
-----Message d'origine----- De : Uwe Ligges [mailto:[EMAIL PROTECTED] Envoy� : mercredi 21 juillet 2004 10:48 � : [EMAIL PROTECTED] Cc : [EMAIL PROTECTED] Objet : Re: [R] How to sort TWO columns ?
Jacques VESLOT wrote:
Dear ALL,
I fear my question has already been answered many times before, but I haven't fund that in archives...
I am working on spatial datasets and, in most arrays I'm handling, there
are
two columns dedicated to (x,y)-coords. For different reasons - notably to draw image() plots, I need to have
these
two columns sorted in increasing order. But sort() and order() seem to apply to vectors - or one single column - only.
Could somedy please let me know how to sort two columns of a dataframe,
with
priority to one of them, just like in access ?
See ?order
Uwe Ligges
Thanks,
Jacques VESLOT CIRAD
Another related question : How to put legend on image() plots - or image-based plots like image.kriging() in geoR ? Despite help pages, I haven't succeeded.
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