我真的需要就如何解決問題的幫助。我有一個數據集,看起來像這樣..選擇與分組雙類別數據從數據幀
Name Sex Total
Anna F 10
Jamie M 2
Jamie F 7
Mike M 13
Sam F 6
Sam M 3
structure(list(Name = c("Anna", "Jamie", "Jamie", "Mike", "Sam", "Sam"),
Sex = c("F", "M", "F", "M", "F", "M"), Total = c(10L, 2L, 7L, 13L, 6L, 3L)),
.Names = c("Name", "Sex", "Total"), class = "data.frame", row.names = c(NA, -6L))
我想要做的就是讓那些男性和女性名字的名字,所以結果看起來就像..
Name Sex Total
Jamie M 2
Jamie F 7
Sam M 3
Sam F 6
但我真的很難接近它。
類似,但多一點涉及的任務[這裏](http://stackoverflow.com/questions/26347343/group-androgynous-names-and-sum-amount-for-each-year-in-a-data-frame-in-r)。 – ilir 2014-10-17 20:24:46