Multiplying a certain element in a dataframe, given that certain element is the same as the filename of a CSV file in R

Mar 24 '20 Comments: 2 Answers: 1

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I am trying to solve big data problems and this involves 2 different CSV files If the filename of CSV1 matches a certain element in CSV2, I will multiply each element of CSV1 to that certain element of CSV2. I am using R by the way.

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