Displaying 3 results from an estimated 3 matches for "currentcolumnname".
2016 Apr 08
3
why data frame's logical index isnt working
data.frame.$columnToAdd["CurrentColumnName" == "ConditionMet"] <- 1
Can someone please explain to me why the above command gives all NAs to
columnToAdd? I thought this was possible in R to do logical expression in
the index of a data frame
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2016 Apr 08
0
why data frame's logical index isnt working
> On Apr 7, 2016, at 6:46 PM, Michael Artz <michaeleartz at gmail.com> wrote:
>
> data.frame.$columnToAdd["CurrentColumnName" == "ConditionMet"] <- 1
>
> Can someone please explain to me why the above command gives all NAs to
> columnToAdd? I thought this was possible in R to do logical expression in
> the index of a data frame
It is possible, but please execute this at a console line and...
2016 Apr 08
1
why data frame's logical index isnt working
...a column(vector)?
I will stop using data.frame, thanks a lot!
On Thu, Apr 7, 2016 at 9:29 PM, David Winsemius <dwinsemius at comcast.net>
wrote:
>
> > On Apr 7, 2016, at 6:46 PM, Michael Artz <michaeleartz at gmail.com> wrote:
> >
> > data.frame.$columnToAdd["CurrentColumnName" == "ConditionMet"] <- 1
> >
> > Can someone please explain to me why the above command gives all NAs to
> > columnToAdd? I thought this was possible in R to do logical expression
> in
> > the index of a data frame
>
> It is possible, but please e...