DATE CLOSE
2016-04-22 2.156
2016-04-25 2.145
2016-04-26 2.152
2016-04-27 2.144
2016-04-28 2.142
2016-04-29 2.135
2016-05-03 2.159
2016-05-04 2.153
2016-05-05 2.151
2016-05-06 2.103
2016-05-09 2.071
2016-05-10 2.070
2016-05-11 2.077
2016-05-12 2.083
2016-05-13 2.079
2016-05-16 2.081
2016-05-17 2.077 这样一组数据想在后面加一列,这一列当前数据等于此行CLOSE数据和前面5行COLSE数据之和。怎么做,谢谢了!
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