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
Rでオセロ_tokyor_20230121/a_reversi-solver_in_R_ins...
Search
florets1
January 20, 2023
0
910
Rでオセロ_tokyor_20230121/a_reversi-solver_in_R_inspired_by_SQL
florets1
January 20, 2023
Tweet
Share
More Decks by florets1
See All by florets1
複式簿記から純資産を排除する/eliminate_net_assets_from_double-entry_bookkeeping
florets1
1
380
カイ二乗検定は何をやっているのか/What_Does_the_Chi-Square_Test_Do
florets1
7
2.3k
直積は便利/direct_product_is_useful
florets1
3
370
butterfly_effect/butterfly_effect_in-house
florets1
1
180
データハンドリング/data_handling
florets1
2
220
カイ二乗検定との遭遇/The_path_to_encountering_the_chi-square_test
florets1
1
280
率の平均を求めてはいけない/Do_Not_Average_Rates
florets1
11
15k
請求と支払を照合する技術/using_full_join_in_r
florets1
2
260
応用セッション_同じデータでもP値が変わる話/key_considerations_in_NHST_2
florets1
1
1.2k
Featured
See All Featured
How GitHub (no longer) Works
holman
314
140k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
The Straight Up "How To Draw Better" Workshop
denniskardys
233
140k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.6k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.2k
Product Roadmaps are Hard
iamctodd
PRO
53
11k
Building a Modern Day E-commerce SEO Strategy
aleyda
41
7.3k
Code Reviewing Like a Champion
maltzj
524
40k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
14
1.5k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
42
2.4k
Transcript
1 2023.01.21 Tokyo.R #103 Rでオセロ
2 SQLの話
3 a b SELECT * FROM a, b
4 SELECT * FROM a, b WHERE a.no=b.no a b
5 SELECT 原因.* FROM 原因, 結果 WHERE 結果が成功 結果から原因がわかるのでは?
6 SELECT 局面1.* FROM 局面1, 局面2, 局面3, .., 最終局面 WHERE
最終局面が勝利 オセロの勝てる手がわかるのでは?
7
8 という気持ちをRで表現しました
9 うれしいこと 局面1と最終局面の関係がわかる 最終局面が勝利となる局面1がわかる
10 コード
11
12
13
14
15
16
17
18 おまけ
19
20
21
22