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我想聯合兩張桌子。每個月我都會收到新的數據。我將這些新數據添加到現有數據框中會很方便。我不打算合併它們,因爲它們是相同的變量。如何在R中的聯合表?
一個小例子如下:M和N具有相同的維數。我想M和N一起
感謝事先結合
M <- structure(list(ID= c(56L, 67L, 68L, 73L, 77L, 87L), Mary = c(73L,
82L, 80L, 78L, 79L, 80L), Dave = c(45L, 42L, 51L, 46L, 60L, 54L
), Anne = c(78L, 85L, 92L, 83L, 77L, 89L), Bob = c(51L, 49L,
58L, 54L, 62L, 68L)), .Names = c("ID", "Mary", "Dave", "Anne",
"Bob"), class = "data.frame", row.names = c(NA, -6L))
N <- structure(list(ID= c(53L, 22L, 21L, 73L, 727L, 27L), Mary = c(72L,
82L, 80L, 78L, 79L, 80L), Dave = c(45L, 42L, 51L, 46L, 62L, 54L
), Anne = c(78L, 85L, 92L, 22L, 77L, 89L), Bob = c(52L, 49L,
58L, 54L, 62L, 628L)), .Names = c("ID", "Mary", "Dave", "Anne",
"Bob"), class = "data.frame", row.names = c(NA, -6L))