[R] About error in the panel

[Bert Gunter]

Typo, should be:

3. A guess: You are sourcing the entire script in the editor panel
into R, and there is something screwed up there.

-- Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Sat, Mar 11, 2017 at 11:14 AM, lily li <chocold12 at gmail.com> wrote:
> Thanks for your reply. I thought anything about R questions can be posted
> here.
>
> About your third point, what does it mean? I did the same thing before for
> other scripts, but this one does not work. Thanks again.
>
> On Sat, Mar 11, 2017 at 12:12 PM, Bert Gunter <bgunter.4567 at gmail.com>
> wrote:
>>
>> 1. Not reproducible, hence impossible to say.
>>
>> 2. This is r-help. RStudio is totally separate and its own support page.
>>
>> 3. A guess: Use are sourcing the entire script in the editor panel
>> into R, and there is something screwed up there.
>>
>> Cheers,
>> Bert
>>
>>
>> Bert Gunter
>>
>> "The trouble with having an open mind is that people keep coming along
>> and sticking things into it."
>> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>>
>>
>> On Sat, Mar 11, 2017 at 10:50 AM, lily li <chocold12 at gmail.com> wrote:
>> > Hi R users,
>> >
>> > I have a problem about using R studio. For example, there is a dataframe
>> > that has many columns. I want to aggregated column X and column Y into
>> > column Z. Column Z does not exist before the aggregation. I use the code
>> > below:
>> > df$Z = df$X + df$Y
>> >
>> > However, it does not work in the top left panel in Rstudio, and has the
>> > following warning message:
>> > Error in `$<-.data.frame`(`*tmp*`, "Z", value = numeric(0)) :
>> >   replacement has 0 rows, data has 34333
>> >
>> > If I type the same code in the Console panel (bottom left panel), it
>> > works.
>> > How to deal with this problem? Thanks.
>> >
>> >         [[alternative HTML version deleted]]
>> >
>> > ______________________________________________
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>> > PLEASE do read the posting guide
>> > http://www.R-project.org/posting-guide.html
>> > and provide commented, minimal, self-contained, reproducible code.
>
>