Category : union

everyone. I’m a student who’s started to learn pyspark recently. I don’t have that good knowledge about SQL. So here’s my question. Let’s say I have two data frames: 1: product list (Distinct):df1={"aaa","bbb","ccc","ddd"} keywords that are being searched by customers:df2={"aaa","bbb","ccc","aaa","abb","ccc"} I want to find out how many times certain keywords in the product list have ..

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I am trying to understand this code: edit_two_set = set() edit_two_set = set.union(*[edit_two_set.union(edit_one_letter(w, allow_switches)) for w in one]) Here one is a set of strings. allow_switches is True. edit_one_letter takes in one word and makes either one character insertion, deletion or one switch of corresponding characters. I understand: [edit_two_set.union(edit_one_letter(w, allow_switches)) for w in one] is ..

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