[Rd] order of operations

Gabor Grothendieck ggrothend|eck @end|ng |rom gm@||@com
Fri Aug 27 17:32:01 CEST 2021


I agree and personally never do this but I would still like to know if it
is guaranteed behavior or not.

On Fri, Aug 27, 2021 at 11:28 AM Thierry Onkelinx <thierry.onkelinx using inbo.be>
wrote:

> IMHO this is just bad practice. Whether the result is guaranteed or not,
> doesn't matter.
>
> ir. Thierry Onkelinx
> Statisticus / Statistician
>
> Vlaamse Overheid / Government of Flanders
> INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND
> FOREST
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> thierry.onkelinx using inbo.be
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>
> ///////////////////////////////////////////////////////////////////////////////////////////
> To call in the statistician after the experiment is done may be no more
> than asking him to perform a post-mortem examination: he may be able to say
> what the experiment died of. ~ Sir Ronald Aylmer Fisher
> The plural of anecdote is not data. ~ Roger Brinner
> The combination of some data and an aching desire for an answer does not
> ensure that a reasonable answer can be extracted from a given body of data.
> ~ John Tukey
>
> ///////////////////////////////////////////////////////////////////////////////////////////
>
> <https://www.inbo.be>
>
>
> Op vr 27 aug. 2021 om 17:18 schreef Gabor Grothendieck <
> ggrothendieck using gmail.com>:
>
>> Are there any guarantees of whether x will equal 1 or 2 after this is run?
>>
>> (x <- 1) * (x <- 2)
>> ## [1] 2
>> x
>> ## [1] 2
>>
>> --
>> Statistics & Software Consulting
>> GKX Group, GKX Associates Inc.
>> tel: 1-877-GKX-GROUP
>> email: ggrothendieck at gmail.com
>>
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>

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