[R] Problem with bwplot

[Liaw, Andy]

> From: Ernesto Jardim
> 
> Yes,
> 
> It works.
> 
> Thanks
> 
> EJ
> 
> PS: It's inconsistent with boxplot, which works without making vec2 a
> factor. 

I think the problem is in the flexibility of bwplot.  If `horizontal' is not
set explicitly, it tries to guess by testing whether `y' or `x' is factor.
It probably should throw either an error or at least a warning if not one
and only one of them is factor.

Andy
 
> On Fri, 2004-07-09 at 17:36, Austin, Matt wrote:
> > Try factor(vec2) in your bwplot() call.
> > 
> > From: r-help-bounces at stat.math.ethz.ch
> > [mailto:r-help-bounces at stat.math.ethz.ch]On Behalf Of Ernesto Jardim
> > 
> > Hi, 
> > 
> > I'm ploting some box-and-whisker plots with bwplot but I'm 
> not getting
> > any box-and-whiskers ... just dots.
> > 
> > I'm using lattice 0.9-16 with R 1.9.1.
> > 
> > Try
> > 
> > library(lattice)
> > rnorm(60)->vec1
> > rep(1:3,20)->vec2
> > rep(LETTERS[1:2],30)->vec3
> > bwplot(vec1~vec2|vec3)
> > 
> > Thanks
> > 
> > EJ