[R] Identifying breakpoints/inflection points?

dchristop dchristop at econ.uoa.gr
Mon Jun 10 07:14:53 CEST 2013

You can try this: 

#you have to instsall package inflection first 

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

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