[R] error message from dbConnect, using ROracle

[Muller, John H]

I am trying to use ROracle (v 0.5-8) with R on Windows (v 2.5.1)
 
I get an error message when I run the following code
    > library(DBI)
    > library(ROracle)
    > m <- dbDriver("Oracle")
    > con <- dbConnect(m, dsn='####',   uid='####', pwd='####')   
    Note masked real values with ###
 
The error is on the last statement and the error message is
    Error in function (classes, fdef, mtable)  : 
        unable to find an inherited method for function "dbConnect", for
signature "OraDriver"

I searched some of the R help archives and found a post by someone else
with the same problem
      but did not see any responses.
I am somewhat new to DBI so not sure where to look to try to find the
cause of the error.
Trying to use DBI and ROracle because I want to try out some of the big
data handling features of SqLiteDF.
 
Any help you can offer would be greatly appreciated.
 
Thanks and best regards,
 
- john muller