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这是我的数据集的一小部分:在WEKA数据集中定义工作日和周末?
@relation
@attribute ID {'1','2','3','4','5'}
@attribute is_Weekend {Saturday, Sunday}
@attribute Weekday {Monday, Tuesday, Wednesday, Thursday, Friday}
@attribute Leaving_Time {'07:00<=x<09:00','09:00<=x<12:30'}
@data
'1',??,,'09:00<=x<12:30'
'2',??,'09:00<=x<12:30'
'3',??,'07:00<=x<09:00'
'4',??,'09:00<=x<12:30'
'5',??,'09:00<=x<12:30'
我如何定义数据部分工作日和周末!?