R devel - Feb 2002 - interaction.plot (with misplaced legend) (PR#1305)

Kaiya Liu wrote:
> 
> Hi,
> 
> I encountered a problem when I did interaction plots using the
> interaction.plot() function. The labels for the trace factor appeared on
> the plot when I did the plots in separate windows, but disappeared/cut off
> when multiple plots were placed in one window. Can anybody help me?
>From the example of ?interaction.plot:
 data(ToothGrowth)
 attach(ToothGrowth)
 interaction.plot(dose, supp, len, fixed=TRUE) # OK

But the following looks quite ugly:

 par(mfrow=c(1,2))
 interaction.plot(dose, supp, len, fixed=TRUE)
 interaction.plot(dose, supp, len, fixed=TRUE)

 par(mfrow=c(2,2))
 interaction.plot(dose, supp, len, fixed=TRUE)



There is not only a problem with the legend, also the magnification of
the axis annotation is not homogeneous, because for the x-axis
annotation mtext() is used. I'd suggest to change line 35:
  mtext(xlabs, 1, at = xvals) # old
to
  axis(1, at = xvals, labels = xlabs, ...) # new
   

Uwe Ligges

==============platform i386-pc-mingw32
arch     x86            
os       Win32          
system   x86, Win32     
status                  
major    1              
minor    4.1            
year     2002           
month    01             
day      30             
language R

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