[R] Need help to find out the name of my columns and rows in a data file

PIKAL Petr petr.pikal at precheza.cz
Fri Sep 20 09:54:30 CEST 2013


Hi

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of David Winsemius
> Sent: Friday, September 20, 2013 6:39 AM
> To: ivanc010
> Cc: r-help at r-project.org
> Subject: Re: [R] Need help to find out the name of my columns and rows
> in a data file
> 
> 
> On Sep 19, 2013, at 3:59 PM, ivanc010 wrote:
> 
> > I've been assigned homework to analyze a file. The R package is
> "car".
> > The specific data file is "Florida."
> >
> > So, I did the usual stuff:
> > library(car)
> > data(Florida)
> > summary(Florida)
> >
> > My specific assignment is to run a t-test between GORE and BUSH.
> (This
> > file has information on the 2000 election.)
> >
> > To run my t-test, my code must be something analogues to:
> >
> >
> t.test(case0102$Salary[case0102$Sex=="Female"],case0102$Salary[case010
> > 2$Sex=="Male"])
> >
> > Unfortunately, for my Florida data I can't find the analogues titles
> > of the rows and columns (i.e. Sex and Salary).

Well, can not resist. I believe both are Male.

see
?str

Regards
Petr

> 
> Please read the Posting Guide. Many of the participants in R-Help are
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> 
> > --
> > View this message in context:
> > http://r.789695.n4.nabble.com/Need-help-to-find-out-the-name-of-my-
> col
> > umns-and-rows-in-a-data-file-tp4676534.html
> > Sent from the R help mailing list archive at Nabble.com.
> >
> 
> Nabble is NOT the archive for R-help.
> 
> --
> 
> David Winsemius
> Alameda, CA, USA
> 
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