Hi all,I am new in Spark, and I have a question in dealing with RDD.I’ve converted RDD to DataFrame. So there are two DF: DF1 and DF2DF1 contains: userID, time, dataUsage, durationDF2 contains: userIDEach userID has multiple rows in DF1.DF2 has distinct userID, and I would like to compute the average, max and min value of both dataUsage and duration for each userID in DF1?And store the results in a new dataframe.How can I do that?Thanks a lot.BestFrank
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