[R] sqldf package: using variables in where condition

Ravi Sreedhar ravishree51 at hotmail.com
Mon Jan 14 14:36:36 CET 2013



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On Jan 13, 2013, at 9:47 PM, ravsre <ravishree51 at hotmail.com> wrote:

> I am trying to use the sqldf package to create independent data frames from a
> master dataframe. 
> I want to use sqldf package and perform a simple select statement. However,
> what  I want to do is to create a loop and repeatedly send a variable to the
> where clause condition such as a: select * from mydfrm where Symbol =
> list[i]
> The 'list' is another data frame with a single column with 15 values.  All I
> what to do is to create loop for i in 1:15 and pass on into the select
> statement as list[1], list[2 }..tile list[15]
> 
> Can someone help since, I am unable to reference the element location  as 
> variable in the sqldf function?
> 
> also, is there a better way?
> would appreciate your help
> 
> Rgds, Ravi
> 
> 
> 
> --
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> 



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