Sorry for the bad use of the list I did; I'm very young, only 4 days old to this list :-)
Thanks a lot for your help and your hints:
At 09.01 06/10/03 +0200, you wrote:
mono.con(mgcv) Monotonicity constraints for a cubic regression spline.
That is what I was looking for. It was under my eyes...
Thank you for your help. Best, Alessandro
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