[R] categorical vs numerical

[Peter Ehlers]

pkg:lattice is installed as part of the base R distribution.
You don't need to install it.

DispersionMap wrote:
> Thanks, ill give them whirl...when i was installing the lattice package i got
> the error in bold below...why does it say permission denied and what effect
> does this have?
I guess that you're on Vista and don't have write permission
for that directory.

  -Peter Ehlers
> 
>> utils:::menuInstallLocal()
> package 'lattice' successfully unpacked and MD5 sums checked
> updating HTML package descriptions
> Warning message:
> In file.create(f.tg) :
>   cannot create file 'C:\PROGRA~1\R\R-29~1.2/doc/html/packages.html', reason
> 'Permission denied'
> 
>> local({pkg <- select.list(sort(.packages(all.available = TRUE)))
> + if(nchar(pkg)) library(pkg, character.only=TRUE)})
> Warning message:
> package 'lattice' was built under R version 2.10.0 
> 
> I have it loaded 
> 
> 
> 
> Peter Ehlers wrote:
>> Whoops, that should be
>>
>>   densityplot(~y|g, data=dat, plot.points=FALSE, layout=c(1,4))
>>
>>   -Peter Ehlers
>>
>> Peter Ehlers wrote:
>>> You could try density plots:
>>> If dat is your dataframe, y is your numerical vector and
>>> g is your factor,
>>>
>>> library(lattice)
>>> trellis.device(height=9, width=7)
>>> densityplot(~g|y, data=dat, plot.points=FALSE, layout=c(1,4))
>>>
>>> See ?densityplot, ?panel.densityplot
>>>
>>>  -Peter Ehlers
>>>
>>> DispersionMap wrote:
>>>> Thanks, however the group sizes are really big (each a,b,c.. category
>>>> has
>>>> 60,000 observations). Its hard to see whats going on withe the jittered
>>>> stripchart, i just get big black blobs.
>>>>
>>>> Any other suggestions?
>>>>
>>>>
>>>>
>>>>
>>>> Peter Ehlers wrote:
>>>>> If your group sizes are not too large, I would use jittered
>>>>> stripcharts.
>>>>> They're more informative than boxplots and much less subject to
>>>>> misinterpretation. One warning, I'm not fond of the default pch=0.
>>>>>
>>>>>  -Peter Ehlers
>>>>>
>>>>> DispersionMap wrote:
>>>>>> What ways are there to plot categorical vs numerical data in R.
>>>>>>
>>>>>>
>>>>>> I have two columns: one with categorical data in 5 categories 
>>>>>> a,b,c,d,e,
>>>>>> and
>>>>>> a numerical column with integers between 1 and 100.
>>>>>>
>>>>>> I have used a boxplot with a,b,c,d,e on the x-axis and an increasing
>>>>>> numerical scale on the y-axis. This look fine but im looking for other
>>>>>> ways
>>>>>> to present the data.
>>>>>>
>>>>>>
>>>>>> What other ways can i do this???
>>>>>>
>>>>> ______________________________________________
>>>>> 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.
>>>>>
>>>>>
>>> ______________________________________________
>>> 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.
>>>
>>>
>> -- 
>> Peter Ehlers
>> University of Calgary
>> 403.202.3936
>>
>> ______________________________________________
>> 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.
>>
>>
> 

-- 
Peter Ehlers
University of Calgary
403.202.3936