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zhang
2002 Dec 18
6
Can I build an array of regrssion model?
...ecewise linear regression to approximate a
nonlinear function. Actually, I don't know how many linear functions I
need, therefore, I want build an array of regression models to automate
the approximation job. Could you please give me any clue?
Attached is ongoing code:
rawData = scan("c:/zyang/mass/data/A01/1.PRN",
what=list(numeric(),numeric()));
len = length(rawData[[1]]);
cuts = len*c(0.01, 0.03, 0.08, 0.18, 0.38, 0.69, 1);
cuts = as.integer(cuts);
mod1 = lm(rawData[[2]][1:cuts[1]]~rawData[[1]][1:cuts[1]]);
mod2 =
lm(rawData[[2]][cuts[1]:cuts[2]]~rawData[[1]][cuts[1]:cuts[2]]);...