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I have two files that I want to merge together: fileA.dta and fileB.dta. I do this by executing the following two lines of code use

I have two files that I want to merge together: fileA.dta and fileB.dta. I do this by executing the following two lines of code

use fileA.dta, clear

merge

1

1

identifier using fileB.dta

What file is the master dataset and what file is the using dataset?

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