[R] Boxplots with similar number of classes....

David Winsemius dwinsemius at comcast.net
Tue Feb 23 00:22:02 CET 2010

On Feb 22, 2010, at 5:11 PM, kupz wrote:

> I have four boxplots, stacked on top of one another (vertically).  
> There are
> five classes that the continuous variable is set against. The  
> problem I have
> is the data for the second boxplot only contains values for four of  
> the five
> classes.
> I would like to include the space in this graph so there is a  
> continuity for
> all of the boxplots, in terms of number of classes. I would include  
> a set of
> zeroes, but they are omitted from all graphs for a number of reasons.
> Basically is there anyway to add in that class that isn't being  
> plotted for
> this particular boxplot?

Run the fourth example in help(boxplot) and then run this:

 > OrchardSprays$treatment <- factor(OrchardSprays$treatment, levels=  
 > rb <- boxplot(decrease ~ treatment, data = OrchardSprays,  
 > title("Comparing boxplot()s and non-robust mean +/- SD")


> TIA- Matt http://n4.nabble.com/file/n1565299/b1help.jpg
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