Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
[PyConKR2017] 온라인 게임에서의 이항 분포
Search
Jangsea Park
August 13, 2017
2
1k
[PyConKR2017] 온라인 게임에서의 이항 분포
Jangsea Park
August 13, 2017
Tweet
Share
More Decks by Jangsea Park
See All by Jangsea Park
[PyConKR2017] Best-first search를 이용한 다차원 큐브 탐색
jnsp
3
830
Featured
See All Featured
Faster Mobile Websites
deanohume
306
31k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
34
2.9k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
670
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
30k
Build The Right Thing And Hit Your Dates
maggiecrowley
35
2.6k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
60k
Building Applications with DynamoDB
mza
94
6.3k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.2k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
13
680
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
160
15k
Art, The Web, and Tiny UX
lynnandtonic
298
20k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
52
2.4k
Transcript
ৡۄੋ ѱীࢲ ೦࠙ನ ইమ ъച ഛܫ ࠙ࢳ -[|]- Box and
Whisker ߅द
Ѿҗܳ ঌ ࣻ হח प
ࠄ ҕр ز ؍ӝ H T Prob: 0.5 Prob: 0.5
ࠄ ҕр ইమ ъച S F Prob: 0.1 Prob: 0.9
ഛܫ ߸ࣻ X S F Prob: 0.1 Prob: 0.9 0
1 2 3 4 5 X
ഛܫ ߸ࣻ X = x X = x {s ∈
S : X(s) = x} X = 1 {success} X = 0 {fail} S F Prob: 0.1 Prob: 0.9 0 1 2 3 4 5 X
ഛܫ ೣࣻ P(X=x) = f(x) P(X = x) = f(x)
P(X = 1) = f(1) = 0.1 P(X = 0) = f(0) = 0.9 S F Prob: 0.1 Prob: 0.9 0 1 2 3 4 5 X f 0 1 0.1 0.9 x p
߬ܰ־ द೯ https://en.wikipedia.org/wiki/Bernoulli_trial S F Prob: 0.1 Prob: 0.9 0
1 2 3 4 5 X f 0 1 0.1 0.9 x p
೦ ࠙ನ https://en.wikipedia.org/wiki/Binomial_distribution
೦ ࠙ನ https://en.wikipedia.org/wiki/Binomial_distribution 0 0 1 2 3 4 5
X f 1 2 3 4 5 6 7 8 9 10 6 7 8 9 10
೦ ࢎѤ ࣻ 1 2 3 4 5
೦ ࠙ನ vs ೦ ࠙ನ ೦࠙ನ fixed n: ୨ द೯
ࣻ p: ࢿҕ ഛܫ variable k: ࢿҕ പࣻ k <= n count ೧ द೯ പࣻ ೞীࢲ ࢿҕೞח പࣻ ೦࠙ನ fixed n: ୨ ࢿҕ പࣻ p: ࢿҕ ഛܫ variable k: पಁ പࣻ 0 <= k < inf count ೧ ࢿҕ പࣻܳ ׳ࢿೡ ٸө पಁೞח പࣻ
೦ ࠙ನ https://en.wikipedia.org/wiki/Negative_binomial_distribution
೦ ࠙ನ https://en.wikipedia.org/wiki/Negative_binomial_distribution 0 0 1 2 3 4 5
X f 1 2 3 4 5 6 7 8 9 inf 6 7 8 inf
೦ ࢎѤ ࣻ 1 2 3 4 p
೦ ࠙ನ ܲ ӝߨ k: पಁ, n: ࢿҕ k: ࢿҕ,
r: पಁ nCr = nCn-r 5 choose 3 = 5 choose 2 x: ୨ दب, r: पಁ x = k + r
P(X<=90) = ?
P(X<=?) = 0.5
P(X<=?) = 0.99
P(X<=?) = 1.0
؊ ࠂೠ ޙઁ: ݽप
None
جܿ౸ 0 0.1
+6ъ 100,000 ݺ
+7ъ 100,000ݺ
+10ъ 100,000ݺ
Q & A