Statistics / Stat.OT

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A Statistical Significance Simulation Study for the General Scientist

A Statistical Significance Simulation Study for the General Scientist

1. ์—ฐ๊ตฌ ๋ฐฐ๊ฒฝ ๋ฐ ๋ชฉ์  ํ†ต๊ณ„์  ์œ ์˜์„ฑ์€ ๊ณผํ•™์ž๋“ค์ด ์ž์‹ ์˜ ์‹คํ—˜ ๊ฒฐ๊ณผ๋ฅผ ๊ฒ€์ฆํ•˜๋Š” ๋ฐ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•˜๋Š”๋ฐ, ์ด๋Š” ๊ด€์ฐฐ๋œ ์ฐจ์ด๊ฐ€ ์šฐ์—ฐํžˆ ๋ฐœ์ƒํ•œ ๊ฒƒ์ผ ๊ฐ€๋Šฅ์„ฑ์ด ๋งค์šฐ ๋‚ฎ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•œ๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ p ๊ฐ’์ด 0.05 ๋ฏธ๋งŒ์ธ ๊ฒฝ์šฐ ํ†ต๊ณ„์  ์œ ์˜์„ฑ์„ ์ธ์ •ํ•œ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋ณธ ๋…ผ๋ฌธ์€ ํ‘œ๋ณธ ์ˆ˜๊ฐ€ ์ฆ๊ฐ€ํ•จ์— ๋”ฐ๋ผ ๋‘ ๊ทธ๋ฃน ๊ฐ„์˜ ์ฐจ์ด๊ฐ€ ํ†ต๊ณ„์ ์œผ๋กœ ์œ ์˜๋ฏธํ•˜๊ฒŒ ์ž‘์•„์ง€๋Š” ํ˜„์ƒ์„ ๋ถ„์„ํ•˜๊ณ , ์ด๋กœ ์ธํ•ด p ๊ฐ’ ์ž„๊ณ„์น˜(p<0.05)๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๊ณผํ•™์ž๋“ค์—๊ฒŒ ๋งค์šฐ ๋‚ฎ์€ ๊ธฐ์ค€์„ ์„ค์ •ํ•œ๋‹ค๋Š” ๊ฒƒ์„ ์ง€์ ํ•œ๋‹ค. 2. ์—ฐ๊ตฌ ๋ฐฉ๋ฒ• ๋ณธ ๋…ผ๋ฌธ์—์„œ๋Š” ๋‘ ์ƒ˜ํ”Œ t ๊ฒ€์ •์„ ์‚ฌ์šฉํ•˜์—ฌ

Statistics Applications Physics
Revealing Sub-Optimality Conditions of Strategic Decisions

Revealing Sub-Optimality Conditions of Strategic Decisions

๋ณธ ๋…ผ๋ฌธ์€ ์ „๋žต์  ์˜์‚ฌ๊ฒฐ์ • ๊ณผ์ •์—์„œ ๋ฐœ์ƒํ•˜๋Š” ํ•˜์œ„ ์ตœ์ ์„ฑ ์กฐ๊ฑด์„ ํƒ์ƒ‰ํ•˜๊ณ  ๋ถ„์„ํ•œ๋‹ค. ์ด ์—ฐ๊ตฌ๋Š” ์ ํ•ฉ๋„ ํ’๊ฒฝ ์ด๋ก ์„ ๊ธฐ๋ฐ˜์œผ๋กœ, ์˜์‚ฌ๊ฒฐ์ •์ž๊ฐ€ ์™œ ์ง€์—ญ ์ตœ์ ๊ฐ’์— ๋„๋‹ฌํ•˜์ง€ ๋ชปํ•œ ์ฑ„ ํƒ์ƒ‰์„ ์ค‘๋‹จํ•˜๋Š”์ง€์— ๋Œ€ํ•œ ์ดํ•ด๋ฅผ ๋†’์ด๊ธฐ ์œ„ํ•œ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ๋ถ„์„์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. 1. ์ ํ•ฉ๋„ ํ’๊ฒฝ ์ด๋ก ์˜ ๋ฐฐ๊ฒฝ ์ ํ•ฉ๋„ ํ’๊ฒฝ ์ด๋ก ์€ ์ง„ํ™” ์ƒ๋ฌผํ•™์—์„œ ์œ ์ „์ž ๊ณต๊ฐ„์˜ ํƒ์ƒ‰ ๊ณผ์ •์„ ์„ค๋ช…ํ•˜๋Š” ๊ฐœ๋…์œผ๋กœ ์‚ฌ์šฉ๋˜์–ด ์™”๋‹ค (Wright, 1932; Gillespie, 1984). ์ด ์ด๋ก ์€ ์กฐ์ง ๋ณ€ํ™”, ์‚ฌํšŒ ๊ตฌ์กฐ์˜ ์ง„ํ™”, ํ˜์‹  ๋„คํŠธ์›Œํฌ ๋“ฑ ๋‹ค์–‘ํ•œ ๋ถ„์•ผ์—์„œ ํ™œ์šฉ๋˜๊ณ  ์žˆ๋‹ค. ํŠนํžˆ, NK

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