john.maindonald@anu.edu.au
2001-Jun-09 01:09 UTC
[Rd] Lattice: panel.superpose with ordered factor groups (PR#974)
# r-bugs@r-project.org The panel.superpose() function for xyplot() complains when the groups parameter is set to be an ordered factor.> library(mass) > data(cabbages) > library(lattice) > xyplot(HeadWt~VitC|Cult, panel=panel.superpose,+ groups=Date, data=cabbages)> cabbages$Date <- ordered(cabbages$Date) # Make Date an ordered factor > xyplot(HeadWt~VitC|Cult, panel=panel.superpose,+ groups=Date, data=cabbages) Warning messages: 1: Incompatible methods ("Ops.ordered", "Ops.factor") for "==" 2: Incompatible methods ("Ops.ordered", "Ops.factor") for "==" 3: Incompatible methods ("Ops.ordered", "Ops.factor") for "==" 4: Incompatible methods ("Ops.ordered", "Ops.factor") for "==" 5: Incompatible methods ("Ops.ordered", "Ops.factor") for "==" 6: Incompatible methods ("Ops.ordered", "Ops.factor") for "==" --please do not edit the information below-- Version: platform = i386-pc-mingw32 arch = x86 os = Win32 system = x86, Win32 status = major = 1 minor = 2.3 year = 2001 month = 04 day = 26 language = R Windows ME 4.90 (build 3000) Search Path: .GlobalEnv, package:grid, package:lattice, package:mass, package:ctest, Autoloads, package:base John Maindonald email: john.maindonald@anu.edu.au phone : (6125)3998 fax : (6125)5549 Statistical Consulting Unit, Room 1194, John Dedman Mathematical Sciences Building (Centre for Mathematics & Its Applications.) -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._