Hi: I have a dataset ,the struct [id,driverAge，TotalKiloMeter ，Emissions ，date，KiloMeter ，fuel]， and the data like this: [1-980,34,221926,9,2005-2-8,123,14] [1-981,49,271321,15,2005-2-8,181,82] [1-982,36,189149,18,2005-2-8,162,51] [1-983,51,232753,5,2005-2-8,106,92] [1-984,56,45338,8,2005-2-8,156,98] [1-985,45,132060,4,2005-2-8,179,98] [1-986,40,15751,5,2005-2-8,149,77] [1-987,36,167930,17,2005-2-8,121,87] [1-988,53,44949,4,2005-2-8,195,72] [1-989,34,252867,5,2005-2-8,181,86] [1-990,53,152858,11,2005-2-8,130,43] [1-991,40,126831,11,2005-2-8,126,47] ………………………………………………
now ,my requirments is group by driverAge, five is a step,like 20~25 is a group,26~30 is a group? how should i do ? who can give some code? boyingk...@163.com
