Illustrating Classification Task Tid Attrib1 Attrib2 Attrib3 Class . earning algorithm Medium100KNo Medium Induction Large 220K Learn Model 75K 10 No Small 90K Training Set Model Tid Attrib1 Attrib2 Attrib3 Class Model 11 No Small Medium 80K Deduction 15 No 67K7 Test Set C Tan, Steinbach, Kumar Introduction to Data Mining 18/2004© Tan,Steinbach, Kumar Introduction to Data Mining 4/18/2004 ‹#› Illustrating Classification Task Apply Model Induction Deduction Learn Model Model Tid Attrib1 Attrib2 Attrib3 Class 1 Yes Large 125K No 2 No Medium 100K No 3 No Small 70K No 4 Yes Medium 120K No 5 No Large 95K Yes 6 No Medium 60K No 7 Yes Large 220K No 8 No Small 85K Yes 9 No Medium 75K No 10 No Small 90K Yes 10 Tid Attrib1 Attrib2 Attrib3 Class 11 No Small 55K ? 12 Yes Medium 80K ? 13 Yes Large 110K ? 14 No Small 95K ? 15 No Large 67K ? 10 Test Set Learning algorithm Training Set