I have 3 datasets, each contains views and downloads of some articles. One dataset has data till 4th jan, one till 11th jan and the last one till 18th jan. Suppose 4th jan data has articles "A", "B", "C" with views 2, 3, 4. And 11th jan data has articles "A", "B", "C", "D", "E" with views 4,6,7,2,3. As we can see the views of A,B,C has increased in 11th jan data. I want to find out how much the views are increasing in every week. can anybody please suggest
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https://stackoverflow.com/questions/65874984/group-by-help-for-2-datasets 与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…