[R] simple question about variables....

Stéphane Cruveiller scruveil at genoscope.cns.fr
Thu Jul 13 09:53:32 CEST 2006

Dear R users,

I have a simple question on variable manipulation.
Imagine I have an object "OBJ" that has "toto" as one of its variables.
I would like to understand why if I do

 > varname <- "toto"

 >OBJ$varname                             returns no results


 > OBJ[varname]                            returns the column entitled 

Thanks for your help.


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