[R] Re[2]: unfortunately, no such function, panel.segments

Wladimir Eremeev wl at eimb.ru
Tue May 13 17:14:52 CEST 2003

Dear Douglas,

>> plot.panel=function(x,y,...){
>>   panel.xyplot(x,y,...);
>>   panel.lmline(x,y,...);
>>   panel.lmline(x[1:9],y[1:9],...);
>>   panel.lmline(x[10:23],y[10:23],...);
>>   panel.grid(h=-1,v=-1,...);
>> };
>> then I draw plots:
>>   xyplot(<blah-blah-blah>,panel=plot.panel,<...>)
>>   This command draws graphics, but all regression lines on them are
>>   drawn from the left side to the right side, i.e. over the whole x
>>   range...

DB> I think you will need to do the linear model fits to the data subsets
DB> within the panel function then use panel.segments to add the lines.

But I've found lsegments, llines, and others.
Will study. :) Thank you!

Best regards
Wladimir Eremeev                                     mailto:wl at eimb.ru

Research Scientist                                Leninsky Prospect 33,
Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071,
Institute of Ecology,                             Phone: (095) 135-9972;
Russian Academy of Sciences                       Fax: (095) 954-5534

More information about the R-help mailing list