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Re: Circular statistics in IDL [message #94012 is a reply to message #93984] Tue, 20 December 2016 08:05 Go to previous messageGo to previous message
Gadi Goelman is currently offline  Gadi Goelman
Messages: 3
Registered: December 2016
Junior Member
On Tuesday, December 13, 2016 at 6:10:30 PM UTC+2, Dick Jackson wrote:
> On Tuesday, 13 December 2016 01:20:14 UTC-8, Gadi Goelman wrote:
>> Does any one know if there is a circular statistics tool in IDL similar to the CircStat in Matlab? or any other tool to work with complex numbers
>>
>> Thanks
>>
>> Gadi
>
> Hi Gadi,
>
> I haven't seen an IDL library available, but when I needed some circular statistics (a.k.a. directional statistics) I wrote that up myself. What I did computed the mean, variance and standard deviation.
>
> The CircStat library certainly is comprehensive:
> https://github.com/circstat/circstat-matlab
>
> How much of that functionality do you think you will need?
>
> Cheers,
> -Dick
>
> Dick Jackson Software Consulting Inc.
> Victoria, BC, Canada --- http://www.d-jackson.com

Thanks Dick
What I need is to calculate significance of complex numbers or phases. Do you know if correct calculations of mean, variance etc is sufficient? I guess that you cant assume normal distributions and different distributions are needed such circular Gaussian.

Best,

Gadi

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