[R] how to let R read different equations I write and execute	it?
    Scionforbai 
    scionforbai at gmail.com
       
    Mon Dec 10 13:39:24 CET 2007
    
    
  
Hi Czqiu,
short answer:
?expression
?eval
?quote
?parse
?deparse
?substitute
Bye,
Scionforbai
    
    
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