Hi all,
We are facing a problem while introducing ourselves to Reshape package
use. Melt seems to work fine, but cast fails when we use mean as
fun.aggregate. As you see here, length and sum work fine, but mean
throws this same error whatever dataset we use.
> cast(aqm, month ~ variable, length)
month ozone solar.r wind temp
1 5 26 27 31 31
2 6 9 30 30 30
3 7 26 31 31 31
4 8 26 28 31 31
5 9 29 30 30 30
> cast(aqm, month ~ variable, sum)
month ozone solar.r wind temp
1 5 614 4895 360.3 2032
2 6 265 5705 308.0 2373
3 7 1537 6711 277.2 2601
4 8 1559 4812 272.6 2603
5 9 912 5023 305.4 2307
> cast(aqm, month ~ variable, mean)
Error in get(as.character(FUN), mode = "function", envir = envir) :
variable "fun" of mode "function" was not found
>
Our environment:
> version
_
platform i386-apple-darwin8.10.1
arch i386
os darwin8.10.1
system i386, darwin8.10.1
status
major 2
minor 6.2
year 2008
month 02
day 08
svn rev 44383
language R
version.string R version 2.6.2 (2008-02-08)
> installed.packages()
reshape "reshape"
"/Library/Frameworks/R.framework/Resources/library" "0.8.0"
NA NA
Please, could you help use to work out this issue? Thanks!
--
Ricardo RodrÃguez
Your XEN ICT Team
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