[R] Identifying breakpoints/inflection points?
Uwe Ligges
ligges at statistik.tu-dortmund.de
Sun Jun 9 17:45:21 CEST 2013
Please quote the question you are answering and also send the answer to
the original poster, not only to this *mailing list* the original poster
may not be reading himself.
Best,
Uwe Ligges
On 07.06.2013 09:08, dchristop wrote:
> You can try this:
>
> library(inflection)
> #you have to instsall package inflection first
> a<-findiplist(cbind(year),cbind(piproute),1)
> a
>
> The answer:
> [,1] [,2] [,3]
> [1,] 5 35 1986.0
> [2,] 5 30 1983.5
>
> shows that the total inflection point is between 1983 and 1986, if we treat
> data as first concave and then convex, as it can be found from a simple
> graph.
>
>
>
> --
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>
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