[R] Help to organize data

[Sarah Goslee]

This is pretty badly mangled (please don't post in html), but
?aggregate
is probably what you want.

Sarah

On Sun, Jun 25, 2017 at 5:27 PM, Jackson Rodrigues
<jacksonmrodrigues at gmail.com> wrote:
> Hi everybody,
>
> My name is Jackson and come here ask for a help to organize data.
> I really need help from you. I have several data sets to organize.
>
> I have to summarize precipitation data collected in different days and
> months in only one table.
> However, those data are disperse in days and times. Those rainy days have a
> more observations than drought ones.
>
> Below you can find a hypothetical example of what I have and I what I need
> comes in sequence.
>
> The following table is what I have for a single year.
> Notice that number of observations varies from day to day entire year.
>
>
>
> *Day*
>
> *Time*
>
> *Prec*
>
> Jan
>
>
>
> 1
>
> 7:00
>
> 20mm
>
> 1
>
> 7:20
>
> 15mm
>
> 1
>
> 7:30
>
> 5mm
>
> 2
>
> 6:00
>
> 10mm
>
> 2
>
> 15:00
>
> 16mm
>
> ...
>
> ...
>
> ...mm
>
> 31
>
> 7:00
>
> 2mm
>
> Feb
>
> 1
>
> 9:00
>
> 6mm
>
> 1
>
> 9:45
>
> 30mm
>
> 2
>
> 6:45
>
> 12mm
>
> 2
>
> 16:00
>
> 20mm
>
> 2
>
> 22:00
>
> 60mm
>
> *...*
>
> *...*
>
> *...mm*
>
> 28
>
> 11:30
>
> 25mm
>
> *...*
>
> *...*
>
> *...*
>
> *...mm*
>
> Dec
>
> 31
>
> *...*
>
> *...mm*
>
> That way is hard to develop analysis comparing to another year.
> Thus, I would like summarize all information in a new (reasonable) table.
>
> I need a command that says: Sum all January 1st, Sum all January 2nd  until
> December 31st resulting in something as follows.
>
> *Month       Day->*
>
> *1*
>
> *2*
>
> *3*
>
> *4*
>
> *...*
>
> *31*
>
> *Jan*
>
> 40mm
>
> 16mm
>
> 50mm
>
> 66mm
>
> ...mm
>
> 90mm
>
> *Feb*
>
> 60mm
>
> 120mm
>
> 25mm
>
> 45mm
>
> ...mm
>
>
> *...*
>
> ...mm
>
> ...mm
>
> ...mm
>
> ...mm
>
> ...mm
>
> ...mm
>
> *Dec*
>
> 120mm
>
> 30mm
>
> 26mm
>
> 90mm
>
> ...mm
>
> 5mm
>
> The question is: How to manage it?
>
> Does anybody could help me?
>
> Thank you very much in advance
>
> With the best wishes
>
> Jackson M. Rodrigues
>

-- 
Sarah Goslee
http://www.functionaldiversity.org