Hi Elliot
This works on Win 7 ver 2.15
useOuterStrips(combineLimits(
xyplot(x + y ~ d | g, groups = h, data = dat, type = 'l',
scales = list(y = list(relation = "free"),
x = list( at =seq(from =
as.Date("2011-01-01"), to = as.Date("2011-10-01"), by = "3 month"),
labels = format(seq(from =
as.Date("2011-01-01"), to = as.Date("2011-10-01"), by = "3 month"), "%b"))
),
auto.key = TRUE) ))
amend the seq as required and the format if required
see ?strptime for format
HTH
Duncan
Duncan Mackay
Department of Agronomy and Soil Science
University of New England
Armidale NSW 2351
Email: home: mac...@northnet.com.au
At 02:28 26/06/2012, you wrote:
I'm having some trouble using the latticeExtra 'combineLimits' function
with a Date x-variable:
require(lattice)
set.seed(12345)
dates <- seq(as.Date("2011-01-01"), as.Date("2011-12-31"), "days")
dat <- data.frame(d = rep(dates, 4),
g = factor(rep(rep(c(1,2), each = length(dates)), 2)),
h = factor(rep(c("a", "b"), each = length(dates)*2)),
x = rnorm(4 * length(dates)),
y = rnorm(4 * length(dates)))
plt1 <- xyplot(x + y ~ d | g, groups = h, data = dat, type = 'l', scales =
list(relation = "free"),
auto.key = TRUE)
plt1 <- useOuterStrips(plt1)
plt1 <- combineLimits(plt1)
The x-axis labels are right after the call to 'useOuterStrips' but they get
converted to numeric after the call to 'combineLimits'. How do I keep them
as date labels?
Thanks.
- Elliot
--
Elliot Joel Bernstein, Ph.D. | Research Associate | FDO Partners, LLC
134 Mount Auburn Street | Cambridge, MA | 02138
Phone: (617) 503-4619 | Email: elliot.bernst...@fdopartners.com
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