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多重比較/相関分析 / Multiple Comparison and Correlation...
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Kenji Saito
PRO
January 18, 2025
Technology
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61
多重比較/相関分析 / Multiple Comparison and Correlation Analysis
早稲田大学大学院経営管理研究科「企業データ分析」2024 冬の第11-12回で使用したスライドです。
Kenji Saito
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January 18, 2025
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Transcript
Corporate data analysis — generated by Stable Diffusion XL v1.0
2024 11-12 (WBS) 2024 11-12 — 2025-01-20 – p.1/29
https://speakerdeck.com/ks91/collections/corporate-data-analysis-2024-winter 2024 11-12 — 2025-01-20 – p.2/29
1 12 2 • 2 12 2 (B A )
• 3 12 9 • 4 12 9 • 5 12 16 • 6 12 16 t • 7 12 23 2 ( ) t • 8 12 23 2 ( ) t • 9 1 6 P • 10 1 6 • 11 1 20 • 12 1 20 • 13 1 27 14 1 27 W-IOI 2024 11-12 — 2025-01-20 – p.3/29
( 20 25 ) 1 (20 ) • 2 R
( 55 ) • 3 (32 ) • 4 (14 ) • 5 ( Git) (22 ) • 6 ( ) (24 ) • 7 (1) (25 ) • 8 (2) (25 ) • 9 R ( ) (1) — Welch (17 ) • 10 R ( ) (2) — (21 ) • 11 R ( ) (1) — (15 ) • 12 R ( ) (2) — (19 ) • 13 GPT-4 (19 ) • 14 GPT-4 (29 ) • 15 ( ) LaTeX Overleaf (40 ) • 8 (12/16 ) / (2 ) OK / 2024 11-12 — 2025-01-20 – p.4/29
2 2 t 1 9 P P 10 H0 HA
k, N, ¯ ¯ x σ2 ( )MSwithin ( )MSbetween MStotal F F 2024 11-12 — 2025-01-20 – p.5/29
11 — 2 t FWER (Family-Wise Error Rate) Bonferroni (
2 t ) / Tukey-Kramer q 12 / r sxy vs. 2024 11-12 — 2025-01-20 – p.6/29
2024 11-12 — 2025-01-20 – p.7/29
5. (1) ( ) (2) 2025 1 16 ( )
23:59 JST ( ) Waseda Moodle (Q & A ) (1)(2) Discord 2024 11-12 — 2025-01-20 – p.8/29
. . . . . . 17 16 (1/17( )
) ( ) → 16 ( ) → 11 ( ) ( ) → 2 → 3 ← ( ) ( ^^;) ↑ 2024 11-12 — 2025-01-20 – p.9/29
( ) F = / ⇒ ( ) F =
MSbetween MSwithin . . . [ ] . . . . . . [ ] ⇒ 2024 11-12 — 2025-01-20 – p.10/29
O (1/n) 3 1. ∗ 40 4 * 2. ∗∗
** 3. 2024 11-12 — 2025-01-20 – p.11/29
O (2/n) 1 1 ⇒ 2024 11-12 — 2025-01-20 –
p.12/29
O (3/n) (n = 3) 1. 2. ( ) (
-1 ) 3. F F = ( ) ( ) 4. F F F F F 5% F ⇒ →( ) → 2024 11-12 — 2025-01-20 – p.13/29
K ⇒ p.228 10-17 2024 11-12 — 2025-01-20 – p.14/29
H ⇒ (research question) . . . R 7.3 7.4
7.5 1 2024 11-12 — 2025-01-20 – p.15/29
H ⇒ : https://www.nikkei-r.co.jp/pollsurvey/method.html 2024 11-12 — 2025-01-20 – p.16/29
K ⇒ : https://www.mgt.ous.ac.jp/about/management/lecture/lecture_d-02/ ↑ p p ± 1.96 p(1
− p) n 2024 11-12 — 2025-01-20 – p.17/29
p 95% : https://bellcurve.jp/statistics/course/9122.html n . . . µ 95%
(1)( 6 ) p 95% (2) x − 1.96 × σ √ n ≤ µ ≤ x + 1.96 × σ √ n (1) ˆ p − 1.96 × ˆ p(1 − ˆ p) n ≤ p ≤ ˆ p + 1.96 × ˆ p(1 − ˆ p) n (2) B(n, p) n N(np, np(1 − p)) ˆ p N(p, p(1−p) n ) x N(µ, σ2 n ) 95% 95% 95% ( ) 2024 11-12 — 2025-01-20 – p.18/29
F 2 ⇒ ( ). . . 2024 11-12 —
2025-01-20 – p.19/29
11 — 2 t FWER (Family-Wise Error Rate) Bonferroni (
2 t ) Tukey-Kramer q 2024 11-12 — 2025-01-20 – p.20/29
(1/2) 2 t t α α . . . α
(1 − α)m ( ) m 1 FWER ( t 1 α ) 5% Bonferroni ( 2 t ) αBonferroni = 0.05 m t 2024 11-12 — 2025-01-20 – p.21/29
(2/2) Tukey-Kramer (1) : (2) : σ2 ( ) (H0
) µ1 = µ2 = · · · = µk µA = µB q qA−B = ¯ xA − ¯ xB √ MSwithin 1 2 ( 1 nA + 1 nB ) µA = µB q0.05 (k, dfwithin ) < |qA−B | 2024 11-12 — 2025-01-20 – p.22/29
V ( p.248) 19 4 “ V.R” ( multcomp glht()
) (R TukeyHSD() ) p.243 “multcomp” 2024 11-12 — 2025-01-20 – p.23/29
12 r sxy ( ) vs. 2024 11-12 — 2025-01-20
– p.24/29
Pearson r ( sx sy x y ) r =
sxy sx sy = n i=1 (xi − ¯ x)(yi − ¯ y) n i=1 (xi − ¯ x)2 n i=1 (yi − ¯ y)2 r −1 +1 |r| 1 ( ) sxy sxy = n i=1 (xi − ¯ x)(yi − ¯ y) n − 1 t ( df = n − 2 t ; ) t = r n − 2 1 − r2 2024 11-12 — 2025-01-20 – p.25/29
X ( p.270) “ X.R” ( cor.test() ) p.270 (
) 2024 11-12 — 2025-01-20 – p.26/29
2024 11-12 — 2025-01-20 – p.27/29
6. (1) ( ) (2) 2025 1 23 ( )
23:59 JST ( ) Waseda Moodle (Q & A ) (1) Discord 2024 11-12 — 2025-01-20 – p.28/29
2024 11-12 — 2025-01-20 – p.29/29