Hi,
I want to ask a question about expression for object.
In the example parts, I saw
trig.exp <- expression(sin(cos(x + y^2)))
D(trig.exp, c("x", "y"))
Now, I want to define a complex function in "expression", for example,
f1(x)=...
f2(y)=..
final f=f2(f1(x)+4)
may I define such expression with many statements?
thanks.
regards,
wei
--
Wei Guo
Department of Statistics
The Ohio State University
Columbus, Ohio 43210
Tel: 001-614-292-4713(o)
e-mail: [EMAIL PROTECTED]
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