What is the gain in information from the data (tuples) partitioning based on income in order to create a decision tree?

(Hint: calculate Gain(income))

What is the gain ratio for the attribute name income?

(Hint: calculate GainRatio(income))

RID student Class: buys.computer 1 no credit_rating fair excellent no 2 no no 3 no fair yes 4 no fair age income youth high youth high middle-aged high senior medium senior low senior low middle aged low youth medium youth low senior medium yes yes 5 yes fair 6 yes no 7 excellent excellent fair yes no yes 8 no 9 yes fair yes 10 yes fair yes