


Dear list,



I have abot 10 set of points from same area, each set 
taken at different time periods (ie, one set is from May, other set is 
from June). Many of the points are exact same location, some are 
slightly different, very few are far apart. I want to compare point 
locations of pairs of these sets (may<->june,  june<->july 
etc.) to see how different or similar their point locations are. Despite
 my all efforts on finding a useful function in R or other stat 
packages, I could not find anything to reveal spatial dis/similarity 
between two point sets.



The only method I was able to find is 
"Cross Nearest Neighbor Distance (V)", but I do not know how to apply 
it, do you know any package in R that provides this or a similar 
function ?



I know there is a Kcross function in R, what I understand is its for a single (but multitype) point pattern. 



Looking for advices,



Alp 		 	   		  
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