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Questions about Mathematica's date and time functions.

1 vote
1 answer
64 views

Not able to Select DateInterval with IntervalMemberQ

I can use Select to extract rows with specific dates from my dataset, but I'd like to instead select all rows that fall within a date interval. From the documentation, it appears that IntervalMember …
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1 vote

Not able to Select DateInterval with IntervalMemberQ

There are two problems that need to be overcome. The first is this: MemberQ will return True if any of the elements in the row correspond to the specified date MemberQ[dataset[[1]], do1] True Howev …
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  • 3,643
6 votes
4 answers
297 views

Sorting Associations by DayName (day of week) using KeySort and/or KeySortBy

I have an association where the keys are the days of the week: assoc = <|Wednesday -> 122150, Thursday -> 119450, Friday -> 124350, Saturday -> 92000, Sunday -> 85800, Monday -> 107900, Tuesda …
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  • 3,643