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When you're cleaning up data, you usually end up using a 5-8 functions a ton of times, and then a few more once or twice. Here are those 5-8 functions I find myself using again and again. Here is a quick overview: names() - returns the column names of a dateset str() - gives the overview of a dataset data.table package - includes functions for creating new columns, among other things %in% oper…
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