i have a trend that it is linear at first and then it has a particular trend. There is a mathematic model, but it describes only the linear part. I have tried to use a spline regressione, but i have obtained a particular fit trend that it is unreal. Can i create a spline regression that it is of a unitary degree only at first? -- View this message in context: http://www.nabble.com/spline-regression-tp24656274p24656274.html Sent from the R help mailing list archive at Nabble.com.
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