[R] glm and plot.effects

[Michael Kubovy]

Dear R-helpers,

I don't see a difference between the following two plots of effect  
objects, which I understand should be different. What am I missing?

require(doBy)
require(effects)
data(budworm)
m1 <- glm(ndead/20 ~ sex + log(dose), data=budworm, weight=ntotal,  
family=binomial)
m1.eff <- all.effects(m1)
plot(m1.eff, rescale.axis = FALSE, selection = 2, main = 'rescale = F')
plot(m1.eff, rescale.axis = TRUE, selection = 2, main = 'rescale = T')

*********************************
R version 2.4.0 (2006-10-03)
powerpc-apple-darwin8.7.0

locale:
C

attached base packages:
[1] "grid"      "tools"     "splines"   "methods"   "utils"
[6] "stats"     "graphics"  "grDevices" "datasets"  "base"

other attached packages:
    effects       doBy      Hmisc      chron     weaver  codetools
    "1.0-9"      "0.8"    "3.1-1"    "2.3-8"    "1.0.0"    "0.0-3"
     digest   proptest   survival       lme4     Matrix        JGR
    "0.2.2"    "0.1-1"     "2.29" "0.9975-0" "0.9975-1"   "1.4-11"
     iplots     JavaGD      rJava       MASS    lattice
    "1.0-4"    "0.3-5"   "0.4-10"   "7.2-29"   "0.14-9"

_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
USPS:     P.O.Box 400400    Charlottesville, VA 22904-4400
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         McCormick Road    Charlottesville, VA 22903
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WWW:    http://www.people.virginia.edu/~mk9y/