Re: [R] Reading data from xls..........please help

From: Petr PIKAL <petr.pikal_at_precheza.cz>
Date: Fri, 18 Jun 2010 14:20:19 +0200

Hi

r-help-bounces_at_r-project.org napsal dne 18.06.2010 14:00:47:

> Surely you could also save the excel spreadsheet with the relevant data
as a
> text file, and then read it into R as normal?
> Select "save as" in Excel and then change "save as type" to "Text (Tab
> delimited)(*.txt)".
>
> Save it in the directory you are using in R, (or change the directory in
R to
> where you would like to keep your data), and then use the read.table
statement
> for the text version of the file. Just ensure that you do not have
spaces
> between words in each cell, so e.g. if you have a column named "variable

> type", change it to "variable_type"-otherwise you'll get an error when
you try
> to read it into R. You might also find it useful to change any missing
(empty)
> cells in Excel to "NA" before reading it in.

I would not recommend it. If you put NA to Excel numeric column it will start to behave like character and you need to do some fiddling to turn it back to numerics.

Regards
Petr

>
>
>
>
> >>> Petr PIKAL <petr.pikal@precheza.cz> 2010/06/18 01:42 PM >>>
> Hi
>
> r-help-bounces_at_r-project.org napsal dne 16.06.2010 22:14:33:
>
> > Thanks for your reply. Possibly I donot have perl. I am not sure
> although.
> > How I can find whether I have it? If I dont have it then where can I
> > download it from?
>
> Do you have Excel? If yes you can
>
> Open Excel
> Select data you want to transfer to R
> Press
>
> Ctrl-C
>
> to copy it to clipboard
> Open R and write
>
> mydata <- read.delim("clipboard")
>
> to console.
>
> Regards
> Petr
>
>
> >
> >
> > On Thu, Jun 17, 2010 at 12:57 AM, Barry Rowlingson <
> > b.rowlingson_at_lancaster.ac.uk> wrote:
> >
> > > On Wed, Jun 16, 2010 at 7:29 PM, Christofer Bogaso
> > > <bogaso.christofer_at_gmail.com> wrote:
> > > > Can anyone help me how to read xls file into R. I have tried
> following
> > > >
> > > > library(gdata)
> > > > xlsfile <- file.path(.path.package('gdata'),'xls','iris.xls')
> > > > read.xls(xlsfile)
> > > >
> > > > I got following error:
> > > > Converting xls file to csv file... Error in system(cmd, intern =
> > > !verbose) :
> > > > perl not found
> > > > Error in file.exists(tfn) : invalid 'file' argument
> > > >
> > > > Question *1) What is the way to get it working?*
> > >
> > > Works for me on an Ubuntu 9.10 with R 2.10.1, so swapping your OS
and
> > > R version to that will get it working... What OS/R are you on?
> > >
> > > Note it says 'perl not found'. That's because it hasn't found perl.
> > > Do you have perl on your system? Do you need to specify the path to
> > > perl, as in the examples for Windows in help(read.xls)?
> > >
> > > Barry
> > >
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help_at_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.
>
> ______________________________________________
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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. Received on Fri 18 Jun 2010 - 12:25:42 GMT

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