Difference between normal decision tree with information gain criterion and W-J48

User: "koknayaya"
New Altair Community Member
Updated by Jocelyn
Hi. Have a good day everyone!

I want to ask a question smiley 

1st question
What is the difference between 
a) normal decision tree with information gain criterion and
b) W-J48?

Im quite confused with the difference. 

Why dont we just use the basic decision tree and choose 'Information gain' for the criterion instead of using W-J48?

2nd question
Is there any guidelines for me to set the suitable values for parameters in W-J48 such as the confidence threshold for pruning and the minimum number of instances per leaf? 

I dont know the suitable value that should be set for the parameters.

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