Hello,

There seems to be some statistical tests related to this, namely Moran’s or Mantel tests :


https://stats.idre.ucla.edu/other/mult-pkg/faq/general/faq-how-can-i-detectaddress-spatial-autocorrelation-in-my-data/

http://www.petrkeil.com/?p=1050

hth

S.


Le 08/02/2018 à 20:16, Heinz a écrit :
Sorry, I am lost.

I have 10,000 xyz data and want to know, if there is some regularity in them
or if they are more or less random. The concept of a mask does not come up
at all...
Best greetings
Heinz

What do you suggest should be used here?

-----Original Message-----
From: users [mailto:users-boun...@lists.scilab.org] On Behalf Of Samuel
Gougeon
Sent: 08 February 2018 19:19
To: Users mailing list for Scilab <users@lists.scilab.org>
Subject: Re: [Scilab-users] spatial correlation coefficient: Is the MATLAB
corrcoef function doing the job?

Hello Heinz,

Le 07/02/2018 à 23:13, Heinz a écrit :
Friends:

I need to compute the spatial correlation coefficient of my x,y,z data in
3d.
Question 1: Is the MATLAB corrcoef function doing the job?
Question 2: How do I get corrcoef running in SciLab or C?
Do you mean the autocorrelation of a data(x,y,z) sampled distribution?
Or the intercorrelation of data(x,y,z) with a mask(x,y,z) function sampled
on the same grid?
Or anything else?

Samuel


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