Q32
How do you create a new column total_price in dplyr that is the sum of two existing columns price1 and price2?
A.
mutate(total_price = sum(price1, price2))
B.
create_column(total_price = price1 + price2)
C.
calculate_total(total_price = price1 + price2)
D.
mutate(total_price = price1 + price2)
AnswerAnswer: Option D
Solution
Answer: Option D
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