我一直在如何選擇R.的data.frame僅重複的行掙扎 例如,我data.frame是:顯示重複記錄,並忽略那些單
age=18:29
height=c(76.1,77,78.1,78.2,78.8,79.7,79.9,81.1,81.2,81.8,82.8,83.5)
Names=c("John","John","John", "Harry", "Paul", "Paul", "Paul", "Khan", "Khan", "Khan", "Sam", "Joe")
village <- data.frame(Names, age, height)
Names age height
John 18 76.1
John 19 77.0
John 20 78.1
Harry 21 78.2
Paul 22 78.8
Paul 23 79.7
Paul 24 79.9
Khan 25 81.1
Khan 26 81.2
Khan 27 81.8
Sam 28 82.8
Joe 29 83.5
我希望看到的結果如下:
Names age height
John 18 76.1
John 19 77.0
John 20 78.1
Paul 22 78.8
Paul 23 79.7
Paul 24 79.9
Khan 25 81.1
Khan 26 81.2
Khan 27 81.8
感謝您的時間...
完美...謝謝! –
@ M.Qasim你爲什麼不再接受這個答案? –
這是一個很好的答案先生...對不起,延遲,我離開了一段時間... –