[R] Scatter plots using pairs()

Nestor Arguea narguea at uwf.edu
Wed Feb 12 07:36:22 CET 2014


Thanks David (and A.K. arun).  I did have the function panel.cor() 
defined previously in the Mac but not in the windoze.  Mac is the main 
machine.

Thanks again,

N.A.
-- 
Nestor M. Arguea, Chair
Department of Marketing and Economics
University of West Florida

> David Winsemius <mailto:dwinsemius at comcast.net>
> February 11, 2014 at 8:12 PM
> On Feb 11, 2014, at 12:54 PM, Nestor Arguea wrote:
>
>> Command pairs() does not show the correlation coefficient on the upper
>> diagonal of a set of scatter plots.  The command produces an error in
>> Windows 7, but it works fine in OS X Mavericks with the same R version
>> 3.0.2.  Platform, R version and example under Windows 7 provided
>> below.
>> $platform
>> [1] "i386-w64-mingw32"
>> ...
>> $version.string
>> [1] "R version 3.0.2 (2013-09-25)"
>>
>> Example:
>>
>>> set.seed(12345)
>>> x<- rnorm(10)
>>> y<- log(c(2:11))
>>> z<- data.frame(x,y)
>>> cor(z)
>>            x          y
>> x  1.0000000 -0.4867929
>> y -0.4867929  1.0000000
>>> pairs(z)
>>> pairs(z,upper.panel=panel.cor)
>> Error in pairs.default(z, upper.panel = panel.cor) :
>>   object 'panel.cor' not found
>
> I suspect you copied more of the example on the help page (where panel.cor is defined) to the Mac than you did to your Windoze device.
>
>
>> Thanks,
>>
>> Nestor
>> -- 
>> Nestor Arguea
>> Chair, Marketing and Economics
>> Director of International Business Programs
>> University of West Florida
>
>
> David Winsemius
> Alameda, CA, USA
>
> Nestor Arguea <mailto:narguea at uwf.edu>
> February 11, 2014 at 2:54 PM
> Command pairs() does not show the correlation coefficient on the upper
> diagonal of a set of scatter plots.  The command produces an error in
> Windows 7, but it works fine in OS X Mavericks with the same R version
> 3.0.2.  Platform, R version and example under Windows 7 provided
> below.
> $platform
> [1] "i386-w64-mingw32"
> ...
> $version.string
> [1] "R version 3.0.2 (2013-09-25)"
>
> Example:
>
>> set.seed(12345)
>> x<- rnorm(10)
>> y<- log(c(2:11))
>> z<- data.frame(x,y)
>> cor(z)
>             x          y
> x  1.0000000 -0.4867929
> y -0.4867929  1.0000000
>> pairs(z)
>> pairs(z,upper.panel=panel.cor)
> Error in pairs.default(z, upper.panel = panel.cor) :
>    object 'panel.cor' not found
>
> Thanks,
>
> Nestor



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