alldup | R Documentation |
Not just the "duplicated" ones.
alldup(DF, by)
DF |
A data frame |
by |
The column of |
DF <- data.frame(x = 1:3, y = c(1, 1, 2))
alldup(DF, "x")
alldup(DF, "y")
alldup(DF$y)
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