Is the total sample size = 30.891 and the overall percentage of “yes” = 11,3%? How I can describe the leaves predicting "yes" outcome in term of explicative variables and values? What are the variables appearing in the second tree level? enter image description here

Thank you in advance!

Initially in the uppermost node, you have 30 samples or data points that needs to be classified into yes/no category. Out of 30, nearly 27 are with no label and 3 are with yes label.

In the next level, it gets divided on the basis of poutcome value. Records in left side of the tree at level 2 are one with poutcome value is non-existent or fail while that on right hand side are with value success.

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