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 を用いた分析(補講) (1) — 重回帰分析 / Analysis using R (su...
Search
Kenji Saito
PRO
November 30, 2024
Technology
0
64
R を用いた分析(補講) (1) — 重回帰分析 / Analysis using R (supplementary) (1) - Multiple regression analysis
早稲田大学大学院経営管理研究科「企業データ分析」2024 冬のオンデマンド教材 第11回で使用したスライドです。
Kenji Saito
PRO
November 30, 2024
Tweet
Share
More Decks by Kenji Saito
See All by Kenji Saito
FinTech 3-4 : Internet Technology and Governance
ks91
PRO
0
19
民主主義と博愛(Humanitarianism) / Democracy and Humanitarianism
ks91
PRO
0
1
ブロックチェーン概論 / Introduction to Blockchain
ks91
PRO
0
6
ブロックチェーンと分散ファイナンス概論 / Introduction to Blockchain and Decentralized Finance
ks91
PRO
0
47
Proof of Authenticity of General IoT Information with Tamper-Evident Sensors and Blockchain
ks91
PRO
0
5
FinTech 1-2 : Overview of FinTech
ks91
PRO
0
14
デジタルトランスフォーメーションと民主主義 / Digital Transformation and Democracy
ks91
PRO
0
19
We Never Took the Kobayashi Maru Test Until Now. What Do You Think of Our Solutions? — Journeys of the Mind Through a No-Win Game
ks91
PRO
0
24
思いつきが武器になる:研究というゲームを始めよう / Ideas Are Your Equipments : Let the Game of Research Begin!
ks91
PRO
0
79
Other Decks in Technology
See All in Technology
研究開発部メンバーの働き⽅ / Sansan R&D Profile
sansan33
PRO
3
20k
職種別ミートアップで社内から盛り上げる アウトプット文化の醸成と関係強化/ #DevRelKaigi
nishiuma
2
140
o11yで育てる、強い内製開発組織
_awache
3
120
社内報はAIにやらせよう / Let AI handle the company newsletter
saka2jp
3
280
OCI Network Firewall 概要
oracle4engineer
PRO
1
7.8k
Green Tea Garbage Collector の今
zchee
PRO
2
390
いまさら聞けない ABテスト入門
skmr2348
1
210
空間を設計する力を考える / 20251004 Naoki Takahashi
shift_evolve
PRO
3
360
How to achieve interoperable digital identity across Asian countries
fujie
0
120
Goに育てられ開発者向けセキュリティ事業を立ち上げた僕が今向き合う、AI × セキュリティの最前線 / Go Conference 2025
flatt_security
0
350
E2Eテスト設計_自動化のリアル___Playwrightでの実践とMCPの試み__AIによるテスト観点作成_.pdf
findy_eventslides
1
420
SREとソフトウェア開発者の合同チームはどのようにS3のコストを削減したか?
muziyoshiz
1
100
Featured
See All Featured
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Visualization
eitanlees
148
16k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
2.6k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Become a Pro
speakerdeck
PRO
29
5.5k
Side Projects
sachag
455
43k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
53k
The World Runs on Bad Software
bkeepers
PRO
71
11k
Raft: Consensus for Rubyists
vanstee
139
7.1k
Balancing Empowerment & Direction
lara
4
680
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.7k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
850
Transcript
Boxes and whiskers — generated by Stable Diffusion XL v1.0
2024 11 R ( ) (1) — (WBS) 2024 11 R ( ) (1) — — 2024-11 – p.1/11
https://speakerdeck.com/ks91/collections/corporate-data-analysis-2024-winter 2024 11 R ( ) (1) — — 2024-11
– p.2/11
( 20 ) 1 • 2 R • 3 •
4 • 5 • 6 ( ) • 7 (1) • 8 (2) • 9 R ( ) (1) — Welch • 10 R ( ) (2) — χ2 • 11 R ( ) (1) — • 12 R ( ) (2) — 13 GPT-4 14 GPT-4 15 ( ) LaTeX Overleaf 8 (12/16 ) / (2 ) OK / 2024 11 R ( ) (1) — — 2024-11 – p.3/11
( ) R ( ) = a + b1 ×
+ b2 × + e 2024 11 R ( ) (1) — — 2024-11 – p.4/11
(1/2) “ .txt” g <- read.table(" .txt", header=T) # g
# boxplot(g) # plot(g) # cor.test(g$ , g$ ) 2024 11 R ( ) (1) — — 2024-11 – p.5/11
( ) ፉ㌟㛗 ∗㌟㛗 ẕ㌟㛗 150 155 160 165 170
175 : 158.37cm : 169.02cm : 155.2cm 2024 11 R ( ) (1) — — 2024-11 – p.6/11
( ) ፉ㌟㛗 160 165 170 175 152 156 160
164 160 165 170 175 ∗㌟㛗 152 156 160 164 150 154 158 150 154 158 ẕ㌟㛗 . . . . . . 2024 11 R ( ) (1) — — 2024-11 – p.7/11
(2/2) m <- lm(g$ ~ g$ + g$ ) #
+ m # summary(m) # “Multiple R-squared” “Adjusted R-squared” 30% 2024 11 R ( ) (1) — — 2024-11 – p.8/11
( pp.291–298) R2 = 1 − SSresidual SStotal = 1
− n i=1 (yi − ˆ yi)2 n i=1 (yi − ¯ y)2 R∗2 = 1 − SSresidual n−k−1 SStotal n−1 = 1 − (1 − R2)(n − 1) n − k − 1 ( k ) 2024 11 R ( ) (1) — — 2024-11 – p.9/11
(b1 b2 ) sg <- scale(g) # sg <- data.frame(sg)
# m <- lm(sg$ ~ sg$ + sg$ ) # summary(m) # . . . : 3.951e-01 : 3.436e-01 ^^; ^^; 2024 11 R ( ) (1) — — 2024-11 – p.10/11
2024 11 R ( ) (1) — — 2024-11 –
p.11/11