On Apr 20, 2010, at 9:46 AM, zhenjiang xu wrote:
Dear R users,
I am trying to use the following code to make a barchar plot. The
bars in
the plot turn out to be a little narrow. Is there any way to modify
the
width of the bars? Thank you!
library(lattice)
scores = gl(2, 5, label=c('Sensitivity', 'PPV'), length = 100)
sequences = gl(5, 1, label=c('Lemna minor', 'Dugesia japonica A',
'Gymnosporangium sabinae', 'Hymeniacidon sanguinea', 'Streptomyces
griseus'), length = 100)
levels = gl(10, 10, label = c('Cycle 1', 'Cycle 2', 'Cycle 3',
'Cycle 4',
'Order 1', 'Order 2', 'Order 3', 'MaxPairs = 20', 'MaxPairs = Average
Length', 'MaxPairs = 500'))
factors = c(rep('Cycles', 40), rep('Order', 30), rep('MaxPairs', 30))
values = rnorm(100) # this is toy data
a = data.frame(values, scores, sequences, levels, factors)
bc.factors =
barchart(values ~ sequences | scores * factors , data = a,
groups = levels,
layout = c(2,3),
between = list(y=0.5),
clip = list(strip = 'off'),
par.strip.text = list(cex=0.7),
par.settings = list(fontsize=list(text=8)),
auto.key = list(rectangles = TRUE, space = 'right',
columns = 1),
draw.key = TRUE,
scales = list(x = list(rot = 45)))
?barchart
Looking at the arguments to barchart in the help page I would have
guessed that box.ratio would do what you want. Since that is clearly
not reproducible code , (in the absence of test dataset of the
appropriate structure) I suppose guessing will remain the level of my
knowledge in this instance.
--
Best,
Zhenjiang
David Winsemius, MD
West Hartford, CT
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