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R Programming · Q23

Data Structures in R Programming

Programming · R Programming · question 23

Q23

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
Answer
C.
drop_column(my_data, "Income")
D.
remove_col(my_data, "Income")

Answer: Option B

Solution

Answer: Option B
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