2957: A Crossword Puzzle

2024-07-10T21:12:02Z

Mia yun Ruse: 13 down

{{comic
| number = 2957
| date = July 10, 2024
| title = A Crossword Puzzle
| image = a_crossword_puzzle_2x.png
| imagesize = 740x937px
| noexpand = true
| titletext = Hint: If you ever encounter this puzzle in a crossword app, just [term for someone with a competitive and high-achieving personality].
}}

==Explanation==
{{incomplete|CreAAAAAAAAted by AAAAAAAAAA BOT - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

* 1 across. Famous pvt. wilhelm quote: Reference to the {{w|Wilhelm scream}}.
* 11 across. An IPv4 record is an "A" record, an IPv6 record is four times the length and is designated an "AAAA" record.
* 15 across. A [https://en.wikipedia.org/wiki/Vigenère_cipher "Vignère Cipher"] translates the original text by the distance from A from the key, letter by letter.
* 16 across. AAAA batteries are (about) 8mm across.
* 17 across. The {{w|A-10 Warthog}} is a well-known attack aircraft. Here, A-10 has been turned into AAAAAAAAAA (ten As).
* 18 across. Aphantasia is the inability to visualize, every third letter is aaaa
* 19 across. An [https://en.wikipedia.org/wiki/Acrostic "acrostic"] is a message made of the first letter of each line. On the first page of the dictionary, assuming each definition only is listed on a single line, each one starts with A.
* 22 across. Unary's when you get to use just the one symbol. E.g. 32 in unary would be 11111111111111111111111111111111. The first four strings in unary, if you used A as the first (and only) symbol, would be A, AA, AAA, AAAA.
* 25 across. A "AAA" rating is the top bond credit rating
* 36 across. I.e. "open up". Or an expression of pain; particularly the only kind you can make with dental tools in your mouth. (As Autechre put it: [https://youtu.be/UppsLKz1iD4 "Now, I don't want you to panic... just lean back and relax."])
* 41 across. Macaulay Culkin's review of aftershave: Famously in the movie {{w|Home Alone}} he puts it on because he's home all alone and dislikes it, emitting a scream, which could be transcribed like A's.
* 50 across. In Frozen2, Elsa hears spirits singing to her in a way that could be transcribed as "A A A A"

* 1 down. {{w|AaAaAA!!! – A Reckless Disregard for Gravity}} - notably the title is commonly extended in promotional material beyond 6 A's.
* 3 down. the Pixel 6a was released in July 22. Stylized in this puzzle as "AAAAAA".
* 13 down. In the Wet Leg song {{w|Ur Mum}}, the singer says she has been "practising my longest, loudest scream", which could be rendered as AAAAAAAA.
* 26 down. A high budget video game is usually referred to as A Triple-A game, or AAA
* 34 down. 440Hz is an "A" note. 7 pulses would be AAAAAAA
* 39 down. A [https://en.wikipedia.org/wiki/Multi-tap "multitap keyboard"] is a text entry system for mobile phones. Most numbers are associated with three letters, and tapping the same number multiple times in rapid succession selects the 1st, 2nd, or 3rd letter. 2 is "a", 22 is "b", 222 is "c", 3 is "d", etc. 2-2-2-2-2-2 translates to "aaaaaa"
* 40 down. .- is Morse Code for A. It reads out as AAAAAA
* Hint: If you ever encounter this puzzle in a crossword app, just [ Type A ]

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

[A crossword puzzle image, with the following clues:]

:Across
:1. Famous Pvt. Wilhelm quote
:11. IPv6 address record
:15. "CIPHERTEXT" decrypted with Vigenere key "CIPHERTEXT"
:16. 8mm diameter battery
:17. "Warthog" attack aircraft
:18. Every third letter in the word for "inability to visualize"
:19. An acrostic hidden on the first page of the dictionary
:21. Default paper size in Europe
:22. First four unary strings
:23. Lysine codon
:24. 40 CFR part 63 subpart concerning asphalt pollution
:25. Top bond credit rating
:26. Audi coupe
:27. A pair of small remote batteries, when inserted
:29. Unofficial Howard Dean slogan
:32. A 4.0 report card
:33. The "Harlem Globetrotters of baseball" (vowels only)
:32. 2018 Kiefer song
:35. Top Minor League tier
:35. Reply elicited by a dentist
:38. ANAA's airport
:41. Macaulay Culkin's review of aftershave
:43. Marketing agency trade grp.
:44. Soaring climax of Linda Elder's ''Man of La Mancha''
:46. Military flight commuinity org.
:47. Iconic line from Tarzan
:48. Every other letter of Jimmy Wales's birth state
:49. Warthog'd postscript after "They call me ''mister'' pig!"
:50. Message to Elsa in ''Frozen 2''
:51. Lola, when betting it all on Black 20 in ''Run Lola Run''
:Down
:1. Game featuring "a reckless disregard for gravity"
:2. 101010101010101010101010_2->16
:3. Google phone released July '22
:4. It's five times better than that ''other'' steak sauce
:5. ToHex(43690)
:6. Freddie Mercury lyric from ''Under Pressure''
:7. Full-size Audi luxury sedan
:8. Fast path through a multiple choice marketing survey
:9. 12356631 in base 26
:10. Viral Jimmy Barnes chorus
:11. Ruby Rhod catchphrase
:12. badbeef + 9efcebbb
:13. In Wet Let's ''Ur Mum'', what the singer has been practicing
:14. Refrain from Nora Reed bot
:20. Mario button presses to ascend Minas Tirith's walls
:24. Vermont historic route north from Bennington
:26. High-budget video game
:28. Unotrhodox Tic-Tac-Toe win
:29. String whose SHA-256 hash ends "...689510285e212385"
:30. Arnold's remark to the Predator
:31. The vowels in the fire salamander's binomial name
:32. Janet Leigh ''Psycho'' line
:34. Seven 440Hz pulses
:37. Audi luxury sports sedan
:38. A half-dozen eggs with reasonably firm yolks
:39. 2-2-2-2-2-2 on a multitap phone keypad
:40. .- .- .- .- .- .-
:42. Rating for China's best tourist attractions
:43. Standard drumstick size
:45. "The rain/in Spain/falls main-/ly on the plain" rhyme scheme

{{comic discussion}}

Talk:2731: K-Means Clustering

2023-01-30T14:08:18Z

Mia yun Ruse:

{{w|K-means_clustering|The wikipedia article}} does not clear anything up [[Special:Contributions/162.158.78.228|162.158.78.228]] 13:53, 30 January 2023 (UTC)Bumpf

The "Convergence of ''k''-means" animation is reasonably distinctive for a two-dimensional case, showing at least the motivation for the problem . Could it be attached here? [[User:Mia yun Ruse|Mia yun Ruse]] ([[User talk:Mia yun Ruse|talk]]) 14:08, 30 January 2023 (UTC)

2731: K-Means Clustering

2023-01-30T14:06:04Z

Mia yun Ruse: rough first explanation

{{comic
| number = 2731
| date = January 30, 2023
| title = K-Means Clustering
| image = k_means_clustering_2x.png
| imagesize = 320x385px
| noexpand = true
| titletext = According to my especially unsupervised K-means clustering algorithm, there are currently about 8 billion types of people in the world.
}}

==Explanation==

[https://en.wikipedia.org/wiki/K-means_clustering ''k''-means clustering] is a method of categorising ''n'' vectors into ''k'' clusters. For example, we might categorise a population by two metrics, and want to best categorise this scatter graph into the distinct populations, algorithmically drawing [https://en.wikipedia.org/wiki/Voronoi_cell Voronoi cells] to decide the within-cluster variances.

{{incomplete|Created by a BOT - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
Our analysis shows that there are three kinds of people in the world:
Those who use ''k''-means clustering with ''k''=3, and two other types whose qualitative interpretation is unclear.

{{comic discussion}}

explain xkcd - User contributions [en]

2957: A Crossword Puzzle

Talk:2731: K-Means Clustering

2731: K-Means Clustering