Data Objects Data sets are made up of data objects a data object represents an entity Examples: sales database: customers store items, sales medical database: patients, treatments university database: students, professors, courses Also called samples, examples, instances, data points, objects, tuples. Data objects are described by attributes Database rows->data objects columns->attributes4 Data Objects ◼ Data sets are made up of data objects. ◼ A data object represents an entity. ◼ Examples: ◼ sales database: customers, store items, sales ◼ medical database: patients, treatments ◼ university database: students, professors, courses ◼ Also called samples , examples, instances, data points, objects, tuples. ◼ Data objects are described by attributes. ◼ Database rows -> data objects; columns ->attributes