[R] panel.bpplot

netrunner giovanna.varni at gmail.com
Mon Jan 18 15:13:15 CET 2010


Ok, thank you so much! 
netrunner


Frank E Harrell Jr wrote:
> 
> You ignored my posting about getting Lattice to work for you (bwplot( 
> ... )) before trying to add panel=panel.bpplot to the command.  Once you 
> learn how to use lattice you will be able to answer your own question. 
> One of the things you will find out is that only a few lattice functions 
> handle matrices.
> 
> Frank
> 
> 
> netrunner wrote:
>> Dear Dieter,
>> thank you so much for your help. I have a question yet, sorry. I have as
>> "x"
>> variable a matrix (14 row,8 columns) containing the numerical ratings of
>> a
>> group of users. I cannot use bwplot in this case. How can do it?
>> 
>> 
>> thank you so much
>> 
>> netrunner
>> 
>> 
>> 
>> 
>> 
>> Dieter Menne wrote:
>>>
>>>
>>> netrunner wrote:
>>>> I am a newbie in R. I would like to use the panel.bpplot function on my
>>>> data set but I have some problems. Can this function work on matrix? My
>>>> data set have some NaN and when I run panel.bpplot function it returns
>>>> error due to the presence of NaN. How Can I solve this?
>>>>
>>>>
>>> You should never use panel.bpplot directly, but rather in a bwplot()
>>> function. See the examples coming with the documentation in package
>>> Hmisc.
>>> Used correctly, it has no problem with NA. In general, one would use it
>>> with a data.frame, because grouping is often a factor.
>>>
>>> If this does not solve your problem, please repost with a modification
>>> of
>>> the sample below that shows the problem.
>>>
>>> Dieter
>>>
>>>
>>> library(Hmisc)
>>> set.seed(13)
>>> data = data.frame(x =rnorm(1000), g <- sample(1:6, 1000, replace=TRUE))
>>> bwplot(g ~ x, panel=panel.bpplot, data=data)
>>> # Add NA
>>> data$x[1:3] = NA
>>> data$x[data$g==6]  = NA
>>> bwplot(g ~ x, panel=panel.bpplot, data=data)
>>>
>>>
>> 
> 
> 
> -- 
> Frank E Harrell Jr   Professor and Chairman        School of Medicine
>                       Department of Biostatistics   Vanderbilt University
> 
> ______________________________________________
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> 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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