For nlocation = 2 to look_back_factor
For each decision
If the decision is still possible
If user specified region is blank
Get the items in nLocation from the decision source region
else
Get the items in nLocation from the user specified region
End if
If number of items in region > 0
Get items in the tail location of the decision destination region
If number of items in tail location > 0
If attribute matches for items with user specified class
Eliminate current decision
End if
End if
End if
End if
Next Decision
Next Location
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Look Back Blocking. |
