[R] substitute

[Wladimir Eremeev]

Dear Prof,

Friday, May 16, 2003, 15:12:18, you wrote:

>>   but is expected to return data$area.20
>> 
>>   Where did I do mistakes?

PBR> The symbol is area.lon, not lon.  substitute only work on whole symbols, 
PBR> and `.' is just part of the alphabet allowed in syntactic names.


Thank you! Now I see...

Now I'm studying parse(). I think it can help me.

-- 
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