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Excel里的一列数据分段求平均数(offset用法)

2009-12-07 16:21:41| 分类： Excel | 标签： |举报 |字号大中小订阅

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本文链接：http://oicu.cc.blog.163.com/blog/static/123039471200911742141836/

问题：500个数字，排成一列，每10个数字求出一个平均数，最后输出50个平均数。

方法同“Excel公式填充时+2的实现”，只是改一下offset的参数而已(假设数据在A列)：

B1=AVERAGE(OFFSET($A$1:$A$10,(ROW(1:1)-1)*10,0)) 推荐这个写法，容易理解

或者
B1=average(offset($A$1,(row(1:1)-1)*10,0,10))
B1=average(offset($A$1,10*row(1:1)-10,0,10))
向下填充。

offset用法的例子：

求前5个值的平均值，然后每隔5个再算一次：
B1=average(offset($A$1,(row(1:1)-1)*10,0,5))

如要重复某个值N次，乘号改除号加int取整，比如要把A列每个值都重复3次：
B1=offset($A$1,int((row(1:1)-1)/3),0)

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