I just tried a litte bit with your dataset and hope to get a solution as
wanted ;-)
On 21.11.2011 21:55 (UTC+1), Andrew McFadden wrote:
Hi all
I hope you might help me with some aspects of producing a graph in lattice. There are three things
I have struggling with and that is: 1. to separate the horizontal box rows from each other; 2. to
change the colour of the horizontal and vertical strips to white; and 3. to place the axes labels
on the left y axes and on the bottom x axes. I would really appreciate some help. I have put the
following example together. I tried "between=list(y=c(1))" to try and separate the
horizontal box rows but perhaps I have not used this correctly. I tried to use the following to
place the labels on the left y axes "scales=list(y=list(alternating=c(1))" but again
perhaps I didn't use this correctly.
library(lattice)
library(latticeExtra)
n=as.factor(c(1:5,1:5))
Breed=as.factor(c(rep("Cow",3),rep("Sheep",3),rep("Goat",2),rep("Yak",2)))
Test=as.factor(c(rep("Bovine viral diarrhoea",5),rep("Border Disease",5)))
Titer=as.numeric(c(10,20,30,40, 50,15, 25, 35, 45, 55))
heif=data.frame(n,Breed, Test, Titer)
x=barchart( heif[,4]~ heif[,1]| heif[,3]+ heif[,2] ,ylab="titer",
layout = c(2,2), scales=list(x=list(at=c(seq(0, 60, by = 15)),tick.number=c(5),
labels=c(seq(0, 60, by = 15))))
)
# you can use 'heif' more directly like in models
x=barchart( Titer ~ n | Test+Breed, data=heif,
layout = c(2,4),
# distance between rows
between = list(y = c(0.5)),
# x- and y-lables only onesided, ticks also onesided
scales = list(x = list(alternating = 1, tck = c(1,0)),
y = list(alternating = 1, tck = c(1,0))),
xlab = "count (n)",
ylab = "titer"
)
useOuterStrips(x)
# the best way I found for colouring was in useOuterStrips
useOuterStrips(x,
strip = strip.custom(bg = "white"),
strip.left = strip.custom(bg = "white")
)
Hope this helps,
Rainer Hurling
Kind regards
Andrew McFadden MVS BVSc | Veterinary Epidemiologist,
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
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