[R] Rainflow, range pair counting

[Marc Schwartz]

A quick Google search suggests that the methods are used in material fatigue studies where varying stress loads are placed upon the material, which puts this into a materials engineering context.

Using rseek.org does not give any joy. Perhaps someone with experience in that domain will chime in.

Regards,

Marc Schwartz

On Oct 4, 2012, at 10:27 AM, R. Michael Weylandt <michael.weylandt at gmail.com> wrote:

> R is used by many many folks, and most of us don't have the domain
> knowledge to make heads or tails of what you're mentioning here.
> You'll need to greatly clarify and perhaps ask on the appropriate
> R-SIG-* list. (Ecology maybe?) Perhaps rseek.org is also of help.
> 
> Cheers,
> Michael
> 
> On Thu, Oct 4, 2012 at 1:19 PM, Dandy Ehlert <dandy.ehlert at gmail.com> wrote:
>> Hello
>> 
>> 
>> 
>> I got some question about R. Im searching for a function or R-code which
>> makes me some collectives. In the literature they are called:
>> 
>> 
>> 
>>> level crossing counting
>> 
>>> rainflow counting
>> 
>>> range pair counting
>> 
>> 
>> 
>> Cant believe that’s not available for R. May I just looking for the wrong
>> word.
>> 
>> 
>> There functions are used to count the cycles (Range and Means) of a time
>> serie.
>> 
>> 
>> 
>> Thx for helping :)