

In [4]:

    
import sys
sys.path.append('/Users/toshan/dev/pysal/pysal/weights')
from pysal.model.spintW import ODW
import pysal as ps

With an equal number of origins and destinations (n=16)



In [33]:

    
origins = ps.weights.lat2W(4,4)
dests = ps.weights.lat2W(4,4)



In [34]:

    
origins.n









    Out[34]:





16



In [35]:

    
dests.n









    Out[35]:





16



In [36]:

    
ODw = ODW(origins, dests)



In [37]:

    
print ODw.n, 16*16



In [38]:

    
ODw.full()[0].shape









    Out[38]:





(256, 256)

With non-equal number of origins (n=9) and destinations (m=25)



In [39]:

    
origins = ps.weights.lat2W(3,3)



In [40]:

    
dests = ps.weights.lat2W(5,5)



In [41]:

    
origins.n









    Out[41]:





9



In [42]:

    
dests.n









    Out[42]:





25



In [43]:

    
ODw = ODW(origins, dests)



In [44]:

    
print ODw.n, 9*25



In [45]:

    
ODw.full()[0].shape









    Out[45]:





(225, 225)



In [ ]: