SyntaxFix
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Questions
the general answer can be for example:
df <- data.frame(rbind(c(2,9,6),c(4,6,7),c(4,6,7),c(4,6,7),c(2,9,6)))) new_df <- df[-which(duplicated(df)), ]
X1 X2 X3 1 2 9 6 2 4 6 7