<div>Data set 1 for a three part blog series, by Mike Taylor, exploring different ways we can calculate the top 100.</div><div><br></div><div>The methodology for this approach (which I’ve informally called the ‘Old School Remix’) only allows primary research articles - whether published in preprint archives or journals. In other words, we’re not looking at books, editorials, commentaries, reviews, and letters. We also chose to discount articles that have been retracted.</div>