[R] Updating a list.

[rkevinburton at charter.net]

That would be one source of error. Thank you.

Kevin

---- "ONKELINX wrote: 
> 
> Kevin,
> 
> Notice the subtle difference between Hadley's and your code:
> 
> Hadley
> m2008$DayOfYear <- factor(m2008$DayOfYear, levels = 1:365)
> 
> Kevin
> m2007$DayOfYear <- factor(m2008$DayOfYear, levels = 1:365)
> 
> Your are using the m2007 object instead of the suggested m2008 object!
> 
> HTH,
> 
> Thierry
> 
> 
> 
> ------------------------------------------------------------------------
> ----
> ir. Thierry Onkelinx
> Instituut voor natuur- en bosonderzoek / Research Institute for Nature
> and Forest
> Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
> methodology and quality assurance
> Gaverstraat 4
> 9500 Geraardsbergen
> Belgium
> 
> tel. + 32 54/436 185
> Thierry.Onkelinx at inbo.be
> 
> 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
> 
> -----Oorspronkelijk bericht-----
> Van: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> Namens rkevinburton at charter.net
> Verzonden: donderdag 28 augustus 2008 3:14
> Aan: r-help at r-project.org
> Onderwerp: Re: [R] Updating a list.
> 
> Since this didn't work:
> 
> > m2007$DayOfYear <- factor(m2008$DayOfYear, levels = 1:365)
> Error in `$<-.data.frame`(`*tmp*`, "DayOfYear", value = c(1L, 1L, 1L,  :
> 
>   replacement has 432267 rows, data has 1592009
> 
> Perhaps I need to clarify how the m2007 object was generated.
> 
> t2007 <- read.csv("Total2007.dat", header = TRUE)
> m2007 <- melt(t2007,
> id.var=c("DayOfYear","Category","SubCategory","Sku"),
> measure.var=c("Quantity"))
> 
> Kevin
> 
> 
> ---- hadley wickham <h.wickham at gmail.com> wrote:
> 
> >
> 
> > Try this:
> >
> 
> > m2008$DayOfYear <- factor(m2008$DayOfYear, levels = 1:365)
> > r2007 <- cast(m2008, DayOfYear ~ variable | Sku, sum, fill = 0)
> >
> 
> > Hadley
> >
> 
> > --
> 
> > http://had.co.nz/
> 
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