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Cypher and turn around- Atbash palindrome

October 31, 2023 | Numbers around us

Excel BI’s Excel Challenge #314 — solved in RDefining the Puzzle:This puzzle is searching Atbash Palindrome.ATBASH Palindrome — In ATBASH cipher, we replace a with z, b with y, c with x…..y with b, z with a.Find those texts which are palindrome after d...
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Cummulate and concatenate

October 31, 2023 | Numbers around us

Excel BI’s Excel Challenge #313 — solved in RDefining the Puzzle:Today we need to transform table into its cummulative (someway) version. Every column have to include content of column lagged by 2.Generate the result table.Here, Tn = T(n-2) & Tn wh...
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Sumproduct number

October 31, 2023 | Numbers around us

Excel BI’s Excel Challenge #312 — solved in RDefining the Puzzle:In current puzzle we need to check if digits of our numbers has some magic properties. Seems easy, but it is not usually the case, when ExcelBI prepare riddle.List all Sumproduct numbers ...
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Taking dependencies is actually good

October 27, 2023 | Code R

One of the recurring debates in some spaces of the R community is about dependencies. After a few posts on Mastodon I wanted to capture my opinions on the subject to help me understand them better, and because long-form articles are much better to t... [Read more...]

Sort Text Numbers

October 25, 2023 | Numbers around us

Excel BI’s Excel Challenge #311 — solved in RDefining the Puzzle:In puzzles and riddles from ExcelBI we usually play with numbers or words, why not both at once. Lets dive into the newest one.We need to sort digits in numbers written by numerals :-)Sor...
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Next 3 Friday the 13th

October 25, 2023 | Numbers around us

Excel BI’s Excel Challenge #310 — solved in RDefining the Puzzle:It was early Monday morning when hunt for Fridays come up. Of course new riddle about Fridays 13th.Task was really short yet challenging: Find the next 3 Friday the 13th dates for dates g...
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