[R] plot rownames

[T.D.Rudolph]

I did have the problem of not having two continuous variables and this
approach circumvents this, allowing me in fact to plot the rownames.  


Prof Brian Ripley wrote:
> 
> On Tue, 27 May 2008, T.D.Rudolph wrote:
> 
>>
>> In the following example:
>> x <- rnorm(1:100)
>> y <- seq(from=-2.5, to=3.5, by=0.5)
>> z <- as.matrix(table(cut(x,c(-Inf, y, +Inf))))
>>
>> ## I wish to transform the values in z
>> j <- log(z)
>>
>> ## Yet retain the row names
>> row.names(j)<-row.names(z)
> 
> Hmm.  The rownames were retained and row.names() is for data frames, 
> rownames() for matrices.
> 
>> Now, how can I go about creating a scatterplot with row.names(j) on the
>> x-axis and j(m:nrow(j)) on the y-axis?  Keep in mind the transformation I
>> am
>> conducting is more complicated and therefore cannot be plotted directly
>> using log(z), which places me in this unique position.
> 
> You will need to explain what exactly you want plotted.  A scatterplot is 
> of two continuous variables and you only have one (and 'j(m:nrow(j))' is 
> invaild R). But here is one possibility to get you started:
> 
> m <- nrow(j)
> plot(j, xaxt="n", xlab="")
> axis(1, 1:m, rownames(j), las=2)
> 
> 
>>
>> Tyler
>> -- 
>> View this message in context:
>> http://www.nabble.com/plot-rownames-tp17504882p17504882.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
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>>
> 
> -- 
> Brian D. Ripley,                  ripley at stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> 
> ______________________________________________
> 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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