Hi,
Thanks to both for your answers!
Quoting Marc Schwartz <[EMAIL PROTECTED]>:
> On Thu, 2007-05-17 at 10:54 +0100, Prof Brian Ripley wrote:
> > To add to Marc's detective work. ?"[.data.frame" does say
> >
> > If '[' returns a data frame it will have unique (and non-missing)
> > r
On Mon, 2007-05-14 at 23:59 -0700, Herve Pages wrote:
> Hi,
>
> I'm using data.frame(..., check.names=FALSE), because I want to create
> a data frame with duplicated column names (in the real life you can get such
> data frame as the result of an SQL query):
>
> > df <- data.frame(aa=1:5, aa=9:
Hi,
I'm using data.frame(..., check.names=FALSE), because I want to create
a data frame with duplicated column names (in the real life you can get such
data frame as the result of an SQL query):
> df <- data.frame(aa=1:5, aa=9:5, check.names=FALSE)
> df
aa aa
1 1 9
2 2 8
3 3 7
