calculate average only for one group

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alpedhuez
alpedhuez 2020 年 7 月 6 日
回答済み: Image Analyst 2020 年 7 月 6 日
I have a table T
YYYY Name Location Income
-----------------
2020 A E 300K
2020 B W 250K
2020 C E 400K
2020 D W 300K
Then I want to take an average of income only for people at West Coast.
unstack{T,'income','location','Grouping Variables','YYYY','AggregationFunction', @mean)
will provide average income for both NY and SF. But I just want to calcuate mean for NY.

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回答 (2 件)

alpedhuez
alpedhuez 2020 年 7 月 6 日
Image Analyst
Image Analyst 2020 年 7 月 6 日
Try the built-in functions grpstats() or splitapply(). Attach code to make your table if you need more help.

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