The scales argument in lattice controls the appearance of the axes. It
consists of two lists, one for the x axis and one for the y axis. For
example:
histogram(~pesti[,1]|pesti[,2]+
pesti[,3],scales=list(x=list(at=c(2,6),labels=c("First","Second"))))
This allows you to place the labels wherever you want.
--Patrick
On 05/03/2011 05:49 PM, Andrew McFadden wrote:
Hi Patrick
The plot is an example ie not the real thing the x axes is a factor and
cant be numeric ie it is a titre of a laboratory test. If I change the
aspect ratio or the font size they still do not fit. How do you put
fewer labels on ie how do you tell R to skip every second label?
Regardes
Andrew McFadden MVS BVSc | Incursion Investigator (animals),
Investigation and Diagnostic Centre | Biosecurity New Zealand
Ministry of Agriculture and Forestry | 66 Ward St, Wallaceville | PO
Box 40 742 | Upper Hutt | New Zealand
Telephone: 64-4-894 5611 | Facsimile: 64-4-894 4973| Mobile:
027-733-1791 | Web: www.maf.govt.nz
-----Original Message-----
From: Breheny, Patrick [mailto:patrick.breh...@uky.edu]
Sent: Wednesday, 4 May 2011 9:45 a.m.
To: Andrew McFadden; r-help@r-project.org
Subject: [Requires Classification] RE: Overlapping x axes using Lattice
I'm not clear on what you're looking for here. Your x-axis is numeric,
why are you converting it to a factor? If you keep it numeric, the
labels don't overlap. Or perhaps you don't want it to be numeric, in
which case why not just change the aspect ratio of the plot until they
no longer overlap? Or change the axis font size? Or put fewer labels
on the axis? There is a finite amount of space on the axis, so you have
to either make more space, shrink the labels, or draw fewer of them.
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of Andrew McFadden
Sent: Tuesday, May 03, 2011 5:05 PM
To: r-help@r-project.org
Subject: [R] Overlapping x axes using Lattice
Hi R users
I apologise in advance for this question as I suspect it is simple and
perhaps others have had this problem.
I am struggling to sort out how to fix the x axes so that the labels
don't overlap.
I have put the following example together to show my problem.
library(lattice)
titre<- as.factor(rep(c(10999,20999,30999,40999,50999,60999,
20000,40000,45000,50000,70000,80000),c(2,2,2,2,1,1,2,2,2,2,1,1)))
test<-rep(c("BVD","HSD"),c(10,10))
age<-as.factor(rep(c(1,2,3,4),c(5,5,5,5)))
pesti<-data.frame(titre,test,age)
histogram(~pesti[,1]|pesti[,2]+ pesti[,3]
,alternating=TRUE,tick.number=1, stack=TRUE,type = "count",
xlab="VNT",rot=c(180,180),draw=FALSE)
Thank you in advance.
Andy
Andrew McFadden MVS BVSc
Incursion Investigator
Investigation& Diagnostic Centres - Wallaceville Biosecurity New
Zealand Ministry of Agriculture and Forestry
Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address:
Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St
Upper Hutt
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