[R] package forecast is not working properly

[Magda Joana Silva]

Hello all,

I just installed "forecast" package but I have the following error when I
try to load the library:

> library("forecast")
Loading required package: zoo

Attaching package: ‘zoo’

The following objects are masked from ‘package:base’:

as.Date, as.Date.numeric

Loading required package: timeDate
Error : .onAttach failed in attachNamespace() for 'forecast', details:
call: fun(libname, pkgname)
error: 4 arguments passed to .Internal(nchar) which requires 3
In addition: Warning messages:
1: package ‘forecast’ was built under R version 3.2.1
2: package ‘zoo’ was built under R version 3.2.1
Error: package or namespace load failed for ‘forecast’

I am running Windows 7 and the package is in my local library (I don't have
admin rights).

I would be very appreciated if someone could help me

mjs

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[David Winsemius]

This has been reported once on rhelp and once on StackOverflow and both times the advice to update to R 3.2.1 was effective in removing the difficulty. (You did get a warning.)

R 3.2.1 changed the number of arguments to nchar and this was announced in the NEWS.

--
David.

David Winsemius
Alameda, CA, USA

[Uwe Ligges]

On 01.07.2015 14:51, Magda Joana Silva wrote:
> Hello all,
>
> I just installed "forecast" package but I have the following error when I
> try to load the library:
>
>
>> library("forecast")
> Loading required package: zoo
>
> Attaching package: ‘zoo’
>
> The following objects are masked from ‘package:base’:
>
> as.Date, as.Date.numeric
>
> Loading required package: timeDate
> Error : .onAttach failed in attachNamespace() for 'forecast', details:
> call: fun(libname, pkgname)
> error: 4 arguments passed to .Internal(nchar) which requires 3
> In addition: Warning messages:
> 1: package ‘forecast’ was built under R version 3.2.1

Apparently you are not using R-3.2.1? Either install forecast so that it
fits to your R installation or upgrade R.

Best,
Uwe Ligges