Dear list,
My problem is to change the strip text of lattice panels when using two
factors.
I have a data frame with two factors:
df <- expand.grid( "fact1"=c("y","b","r"),
"fact2"=c("far","por","lis","set"), "year"=1991:2000, "value"= NA)
df[,"value"] <- sample(1:50, 120, replace=TRUE)
I can make simple xyplot and change the text of the factor levels with
strip.custom:
require("lattice")
xyplot( value ~ year | fact1, data=df, type="b", subset= fact2=="far",
strip = strip.custom(bg=gray.colors(1,0.95), factor.levels=c("yellow",
"black", "red")),
layout=c(1,3)
)
But how can I change the text of the factor levels when using both
factors as in this plot:
xyplot( value ~ year | fact1*fact2, data=df, type="b")
(fact2 levels text should change to: c("faro","porto","lisbon","setubal"))
I read the help for strip.default and the emails archive, tried with
"which.given" but could not find out how to accomplish this.
Many thanks,
Rafael Duarte
--
Rafael Duarte
Marine Resources Department - DRM
IPIMAR - National Research Institute for Agriculture and Fisheries
Av. BrasÃlia, 1449-006 Lisbon - Portugal
Tel:+351 21 302 7000 Fax:+351 21 301 5948
e-mail: [EMAIL PROTECTED]
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