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Decision tree

Hi , i use id3 cart and c4.5 on my data .
My decision tree seem confusion .
I have a class with "public "and "private " attritube but my most of the leave only have "public" attritube as leave node ..
Is that okay ?

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Accepted answers

varunm1

Hello @fatimidveil

That seems fine. They can come twice or many times depending on the rule identified by a decision tree algorithm.

In the first case: the condition is

if (RTM == Yes --> College Maintenace == No --> Matric == Private -->Mother_Qualification)

The second condition is

if (RYM == Yes, College Maintenance == No --> Matric = Public --> Teacher Response == Some time --> Mother_ualification)

You can see two branches are different and they are mainly changing based on the vale of "Matric" (Private or Public).attribute.

This is normal.

All comments

varunm1

Hello @fatimidveil

Yes, it is fine. Seems like your public attribute has many combinations that can be used for classification.

If you have more questions please provide an image of your tree.

fatimidveil

Image: https://us.v-cdn.net/6030995/uploads/editor/dv/cntvn9s6aqvv.png

fatimidveil

this is my tree ,why the mother _qualification attritube come twice in my tree ? i

varunm1

fatimidveil

Oka thankyou so much for your help sir