📊 R Programming
Q. How do you remove a column named Income from a data frame named my_data in R?
  • (A) my_data <- my_data[, -which(names(my_data) == "Income")]
  • (B) my_data$Income <- NULL
  • (C) drop_column(my_data, "Income")
  • (D) remove_col(my_data, "Income")
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✅ Correct Answer: (B) my_data$Income <- NULL

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