On Jan 20, 2011, at 2:37 PM, > wrote:
Hello, I have fit a simple spline model to the following data.
Data
x y
0 1.298
2 0.605
3 0.507
4 0.399
5 0.281
6 0.203
7 0.150
8 0.101
Model
Sp.1=lm(y~bs(x,df=4))
Now I wish to inverse predict the
Hello, I have fit a simple spline model to the following data.
Data
x y
0 1.298
2 0.605
3 0.507
4 0.399
5 0.281
6 0.203
7 0.150
8 0.101
Model
Sp.1=lm(y~bs(x,df=4))
Now I wish to inverse predict the x for y=.75, say. Optimize works fine
for a
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