Jonsson: you do yourself no favours by repeating bad questions on multiple
forums.

https://stat.ethz.ch/pipermail/r-sig-geo/2013-March/017830.html

http://stackoverflow.com/questions/15496681/calculate-the-moving-average-across-binary-files

(For others, the original q is about raster::stack, which has no relation
to the function of utils::stack - in raster it's a metaphor for an array).




On Tue, Mar 19, 2013 at 9:50 PM, PIKAL Petr <petr.pikal@precheza.cz> wrote:

> Hi
>
> Please describe what do you mean by stacking files?
>
> Stack takes each numeric column of data frame and transform it to two
> column data frame with one column being numeric value and the other column
> an indicator based on column name.
>
> see
>
> head(iris)
>   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
> 1          5.1         3.5          1.4         0.2  setosa
> 2          4.9         3.0          1.4         0.2  setosa
> 3          4.7         3.2          1.3         0.2  setosa
> 4          4.6         3.1          1.5         0.2  setosa
> 5          5.0         3.6          1.4         0.2  setosa
> 6          5.4         3.9          1.7         0.4  setosa
> stack(head(iris))
>
> Regards
> Petr
>
>
>
>
> > -----Original Message-----
> > From: r-help-bounces@r-project.org [mailto:r-help-bounces@r-
> > project.org] On Behalf Of Jonsson
> > Sent: Tuesday, March 19, 2013 11:36 AM
> > To: r-help@r-project.org
> > Subject: Re: [R] Why stacking rasters return NAs?
> >
> > Thanks. Could you please tell me how to stack all those files properly?
> >
> >
> >
> > --
> > View this message in context: http://r.789695.n4.nabble.com/Why-
> > stacking-rasters-return-NAs-tp4661706p4661784.html
> > Sent from the R help mailing list archive at Nabble.com.
> >
> > ______________________________________________
> > R-help@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.
>
> ______________________________________________
> R-help@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.
>



-- 
Michael Sumner
Hobart, Australia
e-mail: mdsumner@gmail.com

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