[R] histogram fill lattice

[David Winsemius]

On Jun 15, 2012, at 5:40 AM, Powell, Jeff wrote:

> Thank you for your response, I will try to be clearer.  I would like  
> to fill my lattice histogram bars using a symbol rather than a  
> color.  If that is not possible, then I will use hist() instead.
>
> From trellis.par.get()
> bar.fill only includes "col", so perhaps I'm out of luck?

Why didn't you say so ... here ya' go.

?grid.pattern

-- 
David
>
> With regards,
> Jeff
>
> -----Original Message-----
> From: David Winsemius [mailto:dwinsemius at comcast.net]
> Sent: woensdag 13 juni 2012 16:40
> To: Powell, Jeff
> Cc: R-help at r-project.org
> Subject: Re: [R] histogram fill lattice
>
>
> On Jun 13, 2012, at 9:55 AM, Powell, Jeff wrote:
>
>>
>> Dear all,
>>
>> I would like to change the "fill" pattern of a histogram using
>> histogram() in the lattice package.  I know how to do so using  
>> hist(),
>> but would prefer to stay within lattice.
>>
>> dt1 <- rnorm(100,0,1)
>>
>> hist(dt1, density=3, angle=45)
>>
>
> I get diagonal striping.
>
>>
>> library(lattice)
>> histogram(dt1,
>>              xlab = "Histogram of rnorm(0,1)",
>>              type = "count",
>>              breaks = 15,
>>              col = "grey")
>
> I seem to remember that the diagonal hatched fills were disabled or  
> not brought over to lattice from base S graphics because they were  
> thought to be causing cognitive distortions[1,2]. You already seem  
> to be able to specify the color of the fill, and it's easy to get  
> alternating colored fills with col = c("grey","red") ,  so it's not  
> entirely clear what your unsatisfied goals are.
>
> --
> David Winsemius, MD
> West Hartford, CT
>
> 1] http://markmail.org/message/pmrrpjynrcnrwhg5?q=list:org%2Er-project%2Er-help+lattice+hatching
> 2] http://markmail.org/message/cj23tnsgsobs4mbu?q=list:org%2Er-project%2Er-help+lattice+hatching
>
>
>
>
>

David Winsemius, MD
West Hartford, CT