Remove duplicated rows

Question

I have read a CSV file into an R data.frame. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in th

Answer 1

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)), ]

output:

      X1 X2 X3
    1  2  9  6
    2  4  6  7