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SUBMIT YOUR IDEAHappy Holidays everyone!
Slightly different answers to the provided solution as having a filter only containing New Year instead of = New Year's Day gives results such as Russia like @AngelosPachis identified, but also finds countries such as Bolivia and China who have other celebrations during the year to celebrate New Year.
The question is somewhat ambiguous. Having two days off for New Years is not specific. Personally, I would think that having New Years' Eve off also counts as a day off for New Years, but that's not what the challenge expected. Unfortunately, the challenge text did not address this, so I had to adjust my workflow to get to the expected answer.
It is important to notice that, as has been pointed out, the data in certain fields is not consistent. The "english name" is, mostly, "New Year's Day". However, for Russia it is "New Year holiday". There are a lot of other distinct "english name"s too. This project actually should have some rather in-depth cultural research. Does the new year celebration always have a title with "New Year" in it? Is it always on 01 January of every calendar?
Also inconvenient is Alteryx's lack of a set minus tool (or a single tool that could be configured to perform a set minus function). I'd find it very useful to have a function that would do something like the following -
take as input a base set list and a subtract set list
base = [A,B,C,D,E,F,G]
subtract = [B,D,G]
and then would do a set-subtract - that is, return all the elements in the first list that are not in the second list
base - subtract = [A,C,E,F]
All that being said, here's my solution to challenge 300.