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2005 Jan 12
1
RODBC package -- sqlQuery(channel,.....,nullstring=0) stillgives NA's
There is something strange in R behaviour (perhaps).
I have run the same select in Oracle SQL*Plus (version 10.1.0.2.0) and
the output comes out with NULLs (which is what it ougth to be).
But in R I still get the same result with NAs (no matter I use
na.strings or nullstring arguments)
An output example follows below:
Using na.string="0" and nullstring="0" (sorry by the indents):
Length 2003 2002 2001 2000 1999 1998 1997 1996 1995
1 32 NA...
2005 Jan 12
0
RODBC package -- sqlQuery(channel,.....,nullstring=0)stillgives NA's
..., if you want to.
On Wed, 12 Jan 2005, Luis Rideau Cruz wrote:
> There is something strange in R behaviour (perhaps).
Your negative remarks are not appreciated.
> I have run the same select in Oracle SQL*Plus (version 10.1.0.2.0)
and
> the output comes out with NULLs (which is what it ougth to be).
>
> But in R I still get the same result with NAs (no matter I use
> na.strings or nullstring arguments)
> An output example follows below:
>
> Using na.string="0" and nullstring="0" (sorry by the indents):
>
> Length 2003 2002 2001 2000 1999 1...