[R-sig-teaching] Help on packages working with excell files

[Peter Meißner]

Hi,
If you need xlsx package try installing both java versions on your PC. I often had 32 bit java installed but running R on 64 bit requires a 64 bit java installed and vice versa. 
Best, peter


Von meinem Samsung Gerät gesendet.

-------- Ursprüngliche Nachricht --------
Von: Ista Zahn <istazahn at gmail.com> 
Datum: 2015.06.22  20:31  (GMT+01:00) 
An: "Nguyen C." <nctu2006 at gmail.com> 
Cc: "R-sig-teaching at r-project.org" <r-sig-teaching at r-project.org> 
Betreff: Re: [R-sig-teaching] Help on packages working with excell files 

Hi Tu,

Yes, those Java dependencies suck. I recommend trying the readxl
package, it doesn't have any external dependencies and should be
easier to get it working.

Best,
Ista

On Mon, Jun 22, 2015 at 1:40 PM, Nguyen C. <nctu2006 at gmail.com> wrote:
> Dear friends,
> I am trying to install and use xlsx package. After installeing xlsx and
> rJava successfully, I type >library(xlsx) then R said :
> "library(xlsx)
> Loading required package: rJava
> Error : .onLoad failed in loadNamespace() for 'rJava', details:
>   call: fun(libname, pkgname)
>   error: No CurrentVersion entry in Software/JavaSoft registry! Try
> re-installing Java and make sure R and Java have matching architectures.
> Error: package ‘rJava’ could not be loaded"
> I did the same for gdata package,  after installing succesfully and calling
> library(gdata), I did:
>> myDf<-read.xls("levuan2kq.xls",sheet=1,header=TRUE)
> Error in findPerl(verbose = verbose) :
>   perl executable not found. Use perl= argument to specify the correct path.
> Error in file.exists(tfn) : invalid 'file' argument
>
> Till now, I could not use any package to work with excel file.
> Anyone can help me.
> Thanks,
> Tu
>
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>
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