聚合函数获取工效的频数,运行后值均为0,错在哪里?请各位老师指教,谢谢!!
Dim dr3,dr4 As DataRow
Dim zjz As Double = min - zj
For i = 0 To fzs + 1
dr3 = DataTables("正态分布").DataRows(i) '当前行
dr4 = DataTables("正态分布").DataRows(i + 1) '下一行
dr3("分组序号") = i + 1
dr3("分组") = zjz
zjz = zjz + zj
dr3("频率") = Tables("正态分布").Compute("Count(工效)", "工效 >= '" & dr3("分组") & "' And 工效 < '" & dr4("分组") & "'")
Next
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[此贴子已经被作者于2016/4/19 17:17:04编辑过]