Summarize one column (rainfall) of data frame present inside a list using group by function by using another variable already present in each data frame. I want to find maximum rainfall value for each year by using the function group_by.
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Use group_by and summarise function on each data frame of a list.Thanks in advance – P.Yaswanth May 10 '19 at 18:59
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Can you provide some code: https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example – william3031 May 11 '19 at 02:36