๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

Machine Learning/Recommendation

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ํ˜‘์—… ํ•„ํ„ฐ๋ง(Collaborative Filtering)์„ ์ด์šฉํ•œ ์• ๋‹ˆ๋ฉ”์ด์…˜ ์ถ”์ฒœ ์œ ์ €์˜ ์• ๋‹ˆ๋ฉ”์ด์…˜ ํ‰๊ฐ€ ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ์•ˆ ๋ณธ ์• ๋‹ˆ๋ฉ”์ด์…˜ ์ค‘ ์–ด๋–ค ๊ฒƒ์„ ์ถ”์ฒœํ•  ์ง€์— ๋Œ€ํ•œ ๋ฌธ์ œ๋ฅผ ํ‘ธ๋Š” ๊ฒƒ์ด ๋ชฉ์ ์ด๋‹ค. ์• ๋‹ˆ๋ฉ”์ด์…˜ ๋ฐ์ดํ„ฐ๋Š” ์—ฌ๊ธฐ(www.kaggle.com/CooperUnion/anime-recommendations-database)์—์„œ ์–ป์—ˆ๋‹ค. ํ˜‘์—… ํ•„ํ„ฐ๋ง(Collaborative filtering)์˜ ๋Œ€ํ‘œ์ ์ธ 3๊ฐ€์ง€ ๋ฐฉ์‹์„ R๋กœ ์ง์ ‘ ๊ตฌํ˜„ํ•˜๊ณ , ์ด๋ฅผ ์ ์šฉํ•˜์—ฌ ์ถ”์ฒœํ•˜์—ฌ ๋ณด์ž. ์ด๋ฅผ ๊ตฌํ˜„ํ•˜๋Š”๋ฐ ์•„๋ž˜์˜ Reference์˜ ๋…ผ๋ฌธ์„ ์ฐธ๊ณ ํ•˜์˜€๋‹ค. 1. ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ 2. ํ˜‘์—… ํ•„ํ„ฐ๋ง 2-1. ์œ ์ € ๊ธฐ๋ฐ˜ ํ˜‘์—… ํ•„ํ„ฐ๋ง 2-2. ์•„์ดํ…œ ๊ธฐ๋ฐ˜ ํ˜‘์—… ํ•„ํ„ฐ๋ง 2-3. ํ–‰๋ ฌ ์ธ์ˆ˜๋ถ„ํ•ด ํ˜‘์—… ํ•„ํ„ฐ๋ง 3. ์„ฑ๋Šฅ ๋น„๊ต 4. ์ถ”์ฒœ ๊ฒฐ๊ณผ 1. ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ In: library(dplyr) library(tidyr) ..