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ML/TA Bag Of Words

Posted on 2022-01-26 | In ML

[ML/TA] BOW(Bag Of Words)

Bag Of Words ๋ชจ๋ธ์€ ๋ฌธ์„œ๊ฐ€ ๊ฐ€์ง€๋Š” ๋ชจ๋“  ๋‹จ์–ด๋ฅผ ๋ฌธ๋งฅ์ด๋‚˜ ์ˆœ์„œ๋ฅผ ๋ฌด์‹œํ•˜๊ณ  ์ผ๊ด„์ ์œผ๋กœ ๋‹จ์–ด์— ๋Œ€ํ•ด ๋นˆ๋„๊ฐ’์„ ๋ถ€์—ฌํ•ด ํ”ผ์ฒ˜๊ฐ’์„ ์ถ”์ถœํ•˜๋Š” ๋ชจ๋ธ์ด๋‹ค.
BOW์˜ ์žฅ์ ์€ ์‰ฝ๊ณ  ๋น ๋ฅธ ๊ตฌ์ถ•์— ์žˆ๋‹ค. ๋‹จ์ˆœํžˆ ๋‹จ์–ด์˜ ๋ฐœ์ƒํšŸ์ˆ˜์— ๊ธฐ๋ฐ˜ํ•˜๊ณ  ์žˆ์ง€๋งŒ, ์˜ˆ์ƒ๋ณด๋‹ค ๋ฌธ์„œ์˜ ํŠน์ง•์„ ์ž˜ ๋‚˜ํƒ€๋‚ผ์ˆ˜์žˆ๋Š” ๋ชจ๋ธ์ด๋‹ค.

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Python/DFS-BFS BOJ-2606 ๋ฐ”์ด๋Ÿฌ์Šค

Posted on 2022-01-26 | In CodingTest

[Python/DFS-BFS] BOJ-2606 ๋ฐ”์ด๋Ÿฌ์Šค

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Python/DFS-BFS BOJ-1012 ์œ ๊ธฐ๋† ๋ฐฐ์ถ”

Posted on 2022-01-26 | In CodingTest

[Python/DFS-BFS] BOJ-1012 ์œ ๊ธฐ๋† ๋ฐฐ์ถ”

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ML Text Analytics

Posted on 2022-01-25 | In ML

[ML] Text Analytics

ํ…์ŠคํŠธ ๋ถ„์„์€ ๋น„์ •ํ˜• ๋ฐ์ดํ„ฐ์ธ ํ…์ŠคํŠธ๋ฅผ ๋ถ„์„ํ•˜๋Š” ๊ฒƒ์ด๋‹ค.
ํ…์ŠคํŠธ๋ฅผ ๋จธ์‹ ๋Ÿฌ๋‹์— ์ ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ๋น„์ •ํ˜• ํ…์ŠคํŠธ ๋ฐ์ดํ„ฐ๋ฅผ ์–ด๋–ป๊ฒŒ ํ”ผ์ฒ˜ํ˜•ํƒœ๋กœ ์ถ”์ถœํ•˜๊ณ  ์ถ”์ถœ๋œ ํ”ผ์ฒ˜์— ์˜๋ฏธ์žˆ๋Š” ๊ฐ’์„ ๋ถ€์—ฌํ•˜๋Š” ๊ฒƒ์ด ๋งค์šฐ ์ค‘์š”ํ•œ ์š”์†Œ๋‹ค. ํ…์ŠคํŠธ๋ฅผ word๊ธฐ๋ฐ˜์˜ ๋‹ค์ˆ˜์˜ ํ”ผ์ฒ˜๋กœ ์ถ”์ถœํ•˜๊ณ  ์ด ํ”ผ์ฒ˜์— ๋‹จ์–ด ๋นˆ๋„์ˆ˜์™€ ๊ฐ™์€ ์ˆซ์ž๊ฐ’์„ ๋ถ€์—ฌํ•˜๋ฉด ํ…์ŠคํŠธ๋Š” ๋‹จ์–ด์˜ ์กฐํ•ฉ์ธ ๋ฒกํ„ฐ๊ฐ’์œผ๋กœ ํ‘œํ˜„๋ ์ˆ˜ ์žˆ๋Š”๋ฐ ์ด๋ ‡๊ฒŒ ํ…์ŠคํŠธ๋ฅผ ๋ณ€ํ™˜ ํ•˜๋Š” ๊ฒƒ์„ ํ”ผ์ฒ˜ ๋ฒกํ„ฐํ™”(Feature Vectorization) ๋˜๋Š” ํ”ผ์ฒ˜ ์ถ”์ถœ(Feature Extraction) ์ด๋ผ๊ณ  ํ•œ๋‹ค.

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Python/DFS-BFS BOJ-1260 DFS์™€ BFS

Posted on 2022-01-25 | In CodingTest

[Python/DFS-BFS] BOJ-1260 DFS์™€ BFS

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ML/Clustering DBSCAN

Posted on 2022-01-24 | In ML

[ML/Clustering] DBSCAN (Density Based Spatial Clustering of Applications with Noise)

DBSCAN์€ ๊ฐ„๋‹จํ•˜๊ณ  ์ง๊ด€์ ์ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜์œผ๋กœ ๋˜์–ด ์žˆ์Œ์—๋„ ๋ฐ์ดํ„ฐ์˜ ๋ถ„ํฌ๊ฐ€ ๊ธฐํ•˜ํ•™์ ์œผ๋กœ ๋ณต์žกํ•œ ๋ฐ์ดํ„ฐ ์„ธํŠธ์—๋„ ํšจ๊ณผ์ ์ธ ๊ตฐ์ง‘ํ™”๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค. ์›๋ชจ์–‘์„ ๊ฐ€์ง„ ๋ฐ์ดํ„ฐ ์„ธํŠธ๋ฅผ ๊ตฐ์ง‘ํ™”๋ฅผ ์ˆ˜ํ–‰ํ• ๋•Œ ์œ ์šฉํ•˜๋‹ค.
ํŠน์ •๊ณต๊ฐ„๋‚ด์— ๋ฐ์ดํ„ฐ ๋ฐ€๋„ ์ฐจ์ด ๊ธฐ๋ฐ˜ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ด์šฉํ•ด ๋ณต์žกํ•œ ๊ธฐํ•˜ํ•™์  ๋ถ„ํฌ๋„๋ฅผ ๊ฐ€์ง„ ๋ฐ์ดํ„ฐ ์„ธํŠธ์—์„œ๋„ ๊ตฐ์ง‘ํ™”๋ฅผ ์ž˜ ์ˆ˜ํ–‰ํ•œ๋‹ค.

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ML Clustering

Posted on 2022-01-24 | In ML

[ML] Clustering

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Github API Key ์ˆจ๊ธฐ๊ธฐ

Posted on 2022-01-24 | In Django

Github API Key ์ˆจ๊ธฐ๊ธฐ (.env ์ด์šฉ)

์›นํ”„๋กœ์ ํŠธ๋ฅผ ๊นƒ์— ์˜ฌ๋ฆฌ๊ธฐ์ „์— api key๋ฅผ ๋‚จ๋“ค์ด ๋ณด์ง€ ๋ชปํ•˜๊ฒŒ ์ˆจ๊ฒจ์•ผํ•œ๋‹ค.
์™œ? ๋‚ด api key ์‚ฌ์šฉํ•˜๋ฉด ๋‚ด๊ฐ€ ๋ˆ์„ ๋‚ด์•ผํ•˜๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค เฒ _เฒ 

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Django SECRET_KEY ์ˆจ๊ธฐ๊ธฐ

Posted on 2022-01-24 | In Django

Django SECRET_KEY ์ˆจ๊ธฐ๊ธฐ (json ์ด์šฉ)

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Python/DFS BOJ-2667 ๋‹จ์ง€๋ฒˆํ˜ธ ๋ถ™์ด๊ธฐ

Posted on 2022-01-24 | In CodingTest

[Python/DFS] BOJ-2667 ๋‹จ์ง€๋ฒˆํ˜ธ ๋ถ™์ด๊ธฐ

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