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SR4-Fit: An Interpretable and Informative Classification Algorithm Applied to Prediction of U.S. House of Representatives Elections

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์ €์ž

Shyam Sundar Murali Krishnan, Dean Frederick Hougen

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ๋†’์€ ์„ฑ๋Šฅ์„ ๋ณด์ด๋ฉด์„œ๋„ ํ•ด์„ ๊ฐ€๋Šฅ์„ฑ์ด ๋‚ฎ์€ ๊ธฐ์กด์˜ ๋จธ์‹ ๋Ÿฌ๋‹ ๋ชจ๋ธ๊ณผ, ํ•ด์„ ๊ฐ€๋Šฅ์„ฑ์€ ๋†’์œผ๋‚˜ ์˜ˆ์ธก๋ ฅ์ด ๋–จ์–ด์ง€๋Š” ๊ทœ์น™ ๊ธฐ๋ฐ˜ ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ํ•œ๊ณ„๋ฅผ ๊ทน๋ณตํ•˜๊ธฐ ์œ„ํ•ด Sparse Relaxed Regularized Regression Rule-Fit (SR4-Fit)์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. SR4-Fit์€ ๋ฏธ๊ตญ ํ•˜์› ์„ ๊ฑฐ ์˜ˆ์ธก์— ์ ์šฉ๋˜์–ด ๋›ฐ์–ด๋‚œ ์ •ํ™•๋„์™€ ํ•ด์„ ๊ฐ€๋Šฅ์„ฑ์„ ๋™์‹œ์— ๋‹ฌ์„ฑํ–ˆ์œผ๋ฉฐ, ์ด๋Š” ๊ธฐ์กด์˜ ๋ธ”๋ž™๋ฐ•์Šค ๋ชจ๋ธ๊ณผ RuleFit๊ณผ ๊ฐ™์€ ํ•ด์„ ๊ฐ€๋Šฅํ•œ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ชจ๋‘๋ฅผ ๋Šฅ๊ฐ€ํ•˜๋Š” ๊ฒฐ๊ณผ์ž…๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
SR4-Fit์€ ํ•ด์„ ๊ฐ€๋Šฅ์„ฑ๊ณผ ์˜ˆ์ธก ์„ฑ๋Šฅ ์‚ฌ์ด์˜ ์ „ํ†ต์ ์ธ ์ƒ์ถฉ ๊ด€๊ณ„๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ์ƒˆ๋กœ์šด ๋ชจ๋ธ์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋‹จ์ˆœํ•œ ์˜ˆ์ธก ๋ณ€์ˆ˜๋ฅผ ๋„˜์–ด, ๋ฏผ์ฃผ์ฃผ์˜์  ์š”์ธ๋“ค์ด ์„ ๊ฑฐ ๊ฒฐ๊ณผ์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์— ๋Œ€ํ•œ ์‹ฌ์ธต์ ์ธ ์ดํ•ด๋ฅผ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋‹ค์–‘ํ•œ ๊ณต๊ฐœ ๋ฐ์ดํ„ฐ์…‹์— ๋Œ€ํ•œ ์ถ”๊ฐ€ ๊ฒ€์ฆ์„ ํ†ตํ•ด SR4-Fit์˜ ์ผ๋ฐ˜ํ™” ๊ฐ€๋Šฅ์„ฑ๊ณผ ์œ ์šฉ์„ฑ์„ ์ž…์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.
โ€ข
์‹ค์ œ ์„ ๊ฑฐ ํ™˜๊ฒฝ์—์„œ SR4-Fit์˜ ์•ˆ์ •์„ฑ๊ณผ ์˜ˆ์ธก๋ ฅ์„ ์ง€์†์ ์œผ๋กœ ํ‰๊ฐ€ํ•˜๊ณ , ๋‹ค์–‘ํ•œ ์ •์น˜์  ์ƒํ™ฉ์— ๋Œ€ํ•œ ์ ์šฉ ๋ฒ”์œ„๋ฅผ ํ™•์žฅํ•˜๋Š” ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
๐Ÿ‘