Doesn't sound like you got the point. x[-1] normally removes the first element.
With 0-based indices, this cannot work.
- pd
> On 22 Apr 2024, at 17:31 , Ebert,Timothy Aaron <teb...@ufl.edu> wrote:
>
> You could have negative indices. There are two ways to do this.
> 1) provide a large offset.
> Offset <- 30
> for (i in -29 to 120) { print(df[i+Offset])}
>
>
> 2) use absolute values if all indices are negative.
> for (i in -200 to -1) {print(df[abs(i)])}
>
> Tim
>
>
>
> -----Original Message-----
> From: R-help <r-help-boun...@r-project.org> On Behalf Of Peter Dalgaard via
> R-help
> Sent: Monday, April 22, 2024 10:36 AM
> To: Rolf Turner <rolftur...@posteo.net>
> Cc: R help project <r-help@r-project.org>; Hans W <hwborch...@gmail.com>
> Subject: Re: [R] x[0]: Can '0' be made an allowed index in R?
>
> [External Email]
>
> Heh. Did anyone bring up negative indices yet?
>
> -pd
>
>> On 22 Apr 2024, at 10:46 , Rolf Turner <rolftur...@posteo.net> wrote:
>>
>>
>> See fortunes::fortune(36).
>>
>> cheers,
>>
>> Rolf Turner
>>
>> --
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>
> --
> Peter Dalgaard, Professor,
> Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000
> Frederiksberg, Denmark
> Phone: (+45)38153501
> Office: A 4.23
> Email: pd....@cbs.dk Priv: pda...@gmail.com
>
> ______________________________________________
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>
> ______________________________________________
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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.
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd....@cbs.dk Priv: pda...@gmail.com
______________________________________________
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