[R] summing vectors/matrices

[PIKAL Petr]

Hi

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Nicolas L. Gutierrez
> Sent: Thursday, April 04, 2013 3:17 PM
> To: r-help at r-project.org
> Subject: [R] summing vectors/matrices
> 
> Hi All,
> 
> I have a large dataset I need to re-structure. It looks something like
> this:
> 
> 
> YearAreaQBinFD200011502000111012000111523200011201220001125120002151200
> 02110
> 62000211511200021201320002125320001250200012101200012152320001220122000
> 12251
> 20002251200022103200022151220002220132000222532001...2011

I cannot believe that your dataset does not have any delimiters. If it is really the case

read.fwf

can be a way to go.

If your data are in dataframe then you probably can use 

aggregate

But without knowing data structure and desired result it is hard to tell anything definite.

Regards
Petr

> 
>  And I need to create different vectors (Bin, FD) summing by year
> and/or by area; For example, I need a new dataset:
> Bin, FD[Year=2000,Area=1], FD[Year=2000,Area=2], FD[Year=2000],
> FD[Year=2001,Area=1], etc.
> Any help really appreciated!!
> NG
> 
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