Q35
In dplyr, how do you calculate the sum and mean of a numeric variable named quantity for each group?
A.
summarize(total = sum(quantity), average = mean(quantity))
AnswerB.
calculate(sum = sum(quantity), mean = mean(quantity))
C.
summarize(sum_quantity = sum(quantity), mean_quantity = mean(quantity))
D.
total_mean(quantity)
Answer: Option A
Solution
Answer: Option A
No explanation is given for this question Let's Discuss on Board