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I wish to run spatial point pattern analysis (e.g. pair correlation function, mark correlation function) for which I need to create an observation window (window=owin) from which the spatial analysis is generated. The command I used to create this observation window as follows:
 
X1<- ppp(x, y, window=owin(c(80.58,144.96),c(101.06,165.13)), unitname=c("metres","metres"), marks=dbh)
 
I managed to create the observation window with this command. However, my data (x,y coordinates of objects in a square plot) didn't fit into this observation window's frame. It seems like I need to 'move or twist' my data by a certain angle so that they fit within the border of the observation window's frame. I'm not sure how to do that. Is there a command of function for that? I would be very grateful for any help or suggestions.
 
I hope I described my problem so that it is understandable.  Thank you, L.  


 		 	   		  
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