[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.
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Identifying-breakpoints-inflection-points-tp2065886p4668889.html
> Sent from the R help mailing list archive at Nabble.com.
>
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