[R] find inflexion point of discrete value list with R

[Ben Bolker]

Ben Bolker <bbolker <at> gmail.com> writes:

> 
> Jonas Stein <news <at> jonasstein.de> writes:
>   [snip]
> 

  [snip]

>   sign(s2y)[which(dy==0)]  ## test for max/min/saddle

  oops, obviously this should be sign(d2y)[which(dy==0)]