Hi All
I have regression coefficients from an experiment and I want to plot them
in lattice using panel curve but I have run into error messages.
I want an 3 panel conditioned plot of 2 curves of Treatment 2 in each panel
conditioned by Treatment1, the example curve expression is x+value*x^2
A rough toy example to give an idea of what I want is:
Data:
data = expand.grid(Treatment1 = LETTERS[1:3],Treatment2 = letters[1:2])
data$value =seq(1.1,1.6,0.1)
data
Treatment1 Treatment2 value
1 A a 1.1
2 B a 1.2
3 C a 1.3
4 A b 1.4
5 B b 1.5
6 C b 1.6
xyplot(value|Treatment1, data = data,
groups = Treatment2
panel = function(value, groups){
panel.curve(expr = x+ value*x^2, groups, from = -2,
to = 2)
}
)
I tried my one panel function but came up with more error messages so have
omitted it.
Regards
Duncan
Duncan Mackay
Department of Agronomy and Soil Science
University of New England
ARMIDALE NSW 2351
Email home: mac...@northnet.com.au
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