... never analyzed at all0500,000 1, 000,000 1, 500,0002,000,0002,500,0003,000,0003,500,0004,000,000 19 95 19 96 19 97 19 98 19 99The Data GapTotal new disk (TB) since 19 95Number of analysts From: ... Introduction to Data Mining 11 Classification ExampleTidRefund MaritalStatusTaxableIncomeCheat 1 Yes Single 12 5KNo2 No Married 10 0KNo3 No Single 70KNo4 Yes Married 12 0KNo5 No Divorced ... Single 40K?No Married 80K? 10 TestSetTraining SetModelLearn Classifier© Tan,Steinbach, Kumar Introduction to Data Mining 12 Classification: Application 1 Direct Marketing–Goal: Reduce...