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[amibroker] Re: Is there a way to get CCI to accept an array for periods?



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--- In amibroker@xxxxxxxxxxxxxxx, "Howard B" <howardbandy@xxx> wrote:
>
> Hi Bill --
> 
> If I understand correctly, you are first calculating the length of the
> period you want to use for the CCI, and you want to base the CCI for
that
> bar on that period.
> 
> It looks like you have two options:
> 1.  Follow the suggestion of Murthysuresh in an earlier post.  That is,
> precalculate all the CCIs you are likely to want and pick the value
of the
> one you need when you know the length.
> 2.  Write your own calculation of CCI as a function using a loop.  The
> inputs to the function include the length and whatever you want for
price --
> C, (H+L)/2, whatever.

Yes, you understand correctly. I had not considered the 1st option but
in either case it will be slow because the Laguerre filter estimate of
the Dominant cycle is slow already, adding code will only slow it down
more. There is a several second delay when loading the Dominant cycle
indicator on a 2 minute chart.

That is why I asked about a way to calculate it with built in
indicators. From experience, I know the that using loops is slower
than the built in arrays.

If you consider that I am anticipating using multiple indicators on
multiple time frames monitoring multiple markets, performance is
likely to be an issue.

Bill



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