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1487.37 (4,451,041st) 		Reputation
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mutate_at - functions involving two variables -2.16
R: mutate over multiple columns to create a new column +4.20
Arrange dataframe format for ggplot - R -3.88
How do I make a new data frame with variables in two columns matchi... -0.02
calculate the number of days between 2 dates when there is a status... 0.00
Add summary mean row in R dataframe using dplyr -3.24
cumulative sum over dummy variable by date in R -2.79
Make data frame out of list -4.74