How to remove for loops and use foldleft in scala

How to Change the code from For Loops to FoldLeft,Fold or FoldRight on Data frames in Scala

Oct 30 '19 Comments: 5 Answers: 0

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I'm trying to Compare two datasets(DS1 and DS2). So, I got them pulled into two dataframes and now I want to compare each and every Column of (DS1) with each and every Column of DS2.
Before comparing each and every record from each column, I would like to reduce my…

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