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What does encircle values mean and stands for ? Where it come from?


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Best Answer
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BalazsBarany Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert Posts: 565  
 Unicorn
Hi!
The values refer to the attribute that was selected for the split. In the first split, petal length, in the second one, petal width.ย
When a decision tree splits a numerical attribute, it searches for a value that cleanly separates a class from others. The values were automatically chosen.ย
In your case, you can read the tree like this:
If petal length is <= 1.9, then the class is Iris setosa.
If petal length is >ย 1.9 and petal width is <= 1.7, then the class is Iris versicolor in most of the cases.
Else it's Iris virginica.
Regards,
Balรกzs6
Answers
Dortmund, Germany
Regards