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我的數據是這樣的多列分組,並在軌道共計
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|name date status location |
|Tom 1/1/2010 Ready Home |
|Tom 1/1/2010 Ready Home |
|Bill 1/18/2010 Go Work |
|Bob 2/19/2010 Ready Field |
|Bob 2/19/2010 Ready Field |
|Wil 4/5/2010 Steady Work |
|Wil 4/5/2010 Steady Work |
|Wil 4/5/2010 Steady Work |
|Wil 4/5/2010 Steady Home |
|Bill 7/14/2010 Stop Home |
|___________________________________|
我需要組/指望它使看起來像這樣
Name Date Location Status Count
Tom 1/1/2010 Home Ready 2
Bill 1/18/2010 Work Go 1
Bill 7/14/2010 Home Stop 1
Bob 2/19/2010 Field Ready 2
etc.....