[R] merging data sets to match data to date

[rcoder]

Dear Henrique,

This is exactly what I need. Thank you very much for your help!

rcoder



Henrique Dallazuanna wrote:
> 
> Try this:
> 
> x <- data.frame(Dates = seq(as.Date('2008-01-01'),
>                                           as.Date('2008-01-31'), by =
> 'days'),
>                        Values = sample(31))
> 
> subset(x, Dates %in% as.Date(c('2008-01-05', '2008-01-20')))
> 
> On 8/13/08, rcoder <mpdotbook at gmail.com> wrote:
>>
>> Hi everyone,
>>
>> I want to extract data from a data set according to dates specified in a
>> vector. I have created a blank matrix with row names (dates) that I want
>> to
>> extract from the full data set. I have then performed a merge to try to
>> o/p
>> rows corresponding to common dates to a results matrix, but the operation
>> did not fill the results matrix. Coulc anyone offer any advice to assist
>> with this operation?
>>
>> Thanks,
>>
>> rcoder
>> --
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>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> 
> -- 
> Henrique Dallazuanna
> Curitiba-Paraná-Brasil
> 25° 25' 40" S 49° 16' 22" O
> 
> ______________________________________________
> R-help at r-project.org mailing list
> 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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