[R] Reorganize the data (dplyr or other packages?)

Thierry Onkelinx th|erry@onke||nx @end|ng |rom |nbo@be
Mon Aug 17 10:23:37 CEST 2020


Yes. However reshape2 is a retired package. The author recommends to use
his new package tidyr.

ir. Thierry Onkelinx
Statisticus / Statistician

Vlaamse Overheid / Government of Flanders
INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND
FOREST
Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance
thierry.onkelinx using inbo.be
Havenlaan 88 bus 73, 1000 Brussel
www.inbo.be

///////////////////////////////////////////////////////////////////////////////////////////
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
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<https://www.inbo.be>


Op ma 17 aug. 2020 om 09:52 schreef Eric Berger <ericjberger using gmail.com>:

> Alternatively, melt() from the reshape2 package.
>
> library(reshape2)
> melt(x,id.vars="date",measure.vars=c("down","uc","up"),variable.name
> ="direction",value.name="percentage")
>
> HTH,
> Eric
>
>
> On Mon, Aug 17, 2020 at 10:49 AM Thierry Onkelinx via R-help <
> r-help using r-project.org> wrote:
>
>> You are looking for tidyr::pivot_longer()
>>
>> Best regards,
>>
>> ir. Thierry Onkelinx
>> Statisticus / Statistician
>>
>> Vlaamse Overheid / Government of Flanders
>> INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND
>> FOREST
>> Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance
>> thierry.onkelinx using inbo.be
>> Havenlaan 88 bus 73, 1000 Brussel
>> www.inbo.be
>>
>>
>> ///////////////////////////////////////////////////////////////////////////////////////////
>> 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 ma 17 aug. 2020 om 09:35 schreef John <miaojpm using gmail.com>:
>>
>> > Is there any quick way (dplyr?) to arrange the data
>> >  date          down       uc       up
>> > 2019M08   0.01709827 0.2653882 0.7175136
>> > 2019M09   0.02094724 0.2265797 0.7524731
>> > 2019M10   0.01750911 0.2450030 0.7374879
>> >
>> > to
>> >  date          direction  percentage
>> > 2019M08   down 0.01709827
>> > 2019M09   down 0.02094724
>> > 2019M10   down 0.01750911
>> > 2019M08   uc 0.2653882
>> > 2019M09   uc 0.2265797
>> > 2019M10   uc 0.2450030
>> > 2019M08   up  0.7175136
>> > 2019M09   up 0.7524731
>> > 2019M10   up 0.7374879
>> >
>> >         [[alternative HTML version deleted]]
>> >
>> > ______________________________________________
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>> > https://stat.ethz.ch/mailman/listinfo/r-help
>> > PLEASE do read the posting guide
>> > http://www.R-project.org/posting-guide.html
>> > and provide commented, minimal, self-contained, reproducible code.
>> >
>>
>>         [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>

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