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set file name for tree #1

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set file name for tree #1

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5 changes: 3 additions & 2 deletions p_decision_tree/DecisionTree.py
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Original file line number Diff line number Diff line change
Expand Up @@ -219,7 +219,7 @@ def id3Recv(self, sampleIds, attributeIds, root, gain_threshold, minimum_samples
child.next = self.id3Recv(childSampleIds, attributeIds.copy(), child.next, gain_threshold, minimum_samples)
return root

def print_visualTree(self, render=True):
def print_visualTree(self, file_name='visualTree.gv', render=True):
dot = Digraph(comment='Decision Tree')
if self.root:
self.root.name = "root"
Expand Down Expand Up @@ -254,7 +254,8 @@ def print_visualTree(self, render=True):
# print(dot.source)
if render :
try:
dot.render('output/visualTree.gv', view=True)
output_name = 'output/'+file_name
dot.render(output_name, view=True)
except:
print("You either have not installed the 'dot' to visualize the decision tree or the reulted .pdf file is open!")
return dot