DataCarer.py 文件源码

def createValidateDataSet():
    '''
    get validate data
    '''
    db = MyDataBase.MyDataBase("validate")
    conn, executer = db.getConn(), db.getExcuter()
    # get all the students
    executer.execute("select * from students_rank")
    students,dataSet = [],[]
    for i in executer.fetchall():
        student = Student(studentId=i[0], attributes=list(i[1:-1]), subsidy=i[-1])
        dataSet.append(student.getAll())
        students.append(student)
    conn.close();executer.close()
    dataSet = mat(dataSet)
    return students,dataSet[:, :-1]