sas 按月份算均值

shiyiming · 发表于 2011-8-2 17:09:39

Data A                            data B

"Clsdt" "Nrrmtdt"                "Clsdt"    "Nrrmtdt"

"2000-01-01"  ".185600"             “2000-01”  “.1895400”

"2000-01-02"  ".185600"             “2000-02”  “.1980000”

"2000-01-03"  ".185600"             ……

"2000-01-04"  ".185600"             “2011-07”  “.323400”

"2000-01-05"  ".185600"

"2000-01-06"  ".185600"

"2000-01-07"  ".185600"

"2000-01-08"  ".197600"

"2000-01-09"  ".197600"

"2000-01-10"  ".197600"

…..

“2011-07-31” “.346500”

由data A 想得到data B

是每天的数值都用每月均值替代

Qiong · 发表于 2011-8-2 17:27:18

权在哪里？

shiyiming · 发表于 2011-8-2 19:33:26

是每天的数值都用每月均值替代

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sas 按月份算均值

sas 按月份算均值

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