Data Science

Data Scientist๊ฐ€ ํ•˜๋Š” ์ผ์„ ๋” ์ž˜ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด์„œ, Data ์™€ ๊ด€๋ จ๋œ ์—ฌ๋Ÿฌ ์ง์—…๋“ค์„ ํ•จ๊ป˜ ์•Œ์•„๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. Data ArchitectData architect๋Š” ์‚ฌ์šฉ๋  ๋ฐ์ดํ„ฐ์…‹์„ ์ฒ˜์Œ๋ถ€ํ„ฐ ๋””์ž์ธํ•ด ๋‚˜๊ฐ‘๋‹ˆ๋‹ค.๋ฐ์ดํ„ฐ๊ฐ€ ์–ด๋–ค ๋ฐฉ์‹์œผ๋กœ ํƒ์ƒ‰๋˜๊ณ  ์‚ฌ์šฉ๋˜๊ณ  ๋ถ„์„๋ ์ง€๋ฅผ ๊ตฌ์ƒํ•ฉ๋‹ˆ๋‹ค. Data Engineer๋ฐ์ดํ„ฐ ์—”์ง€๋‹ˆ์–ด๋Š” ํš๋“๋œ ๋ฐ์ดํ„ฐ(raw data)๋ฅผ ์ฒ˜๋ฆฌ(processing)ํ•˜์—ฌ ๋ถ„์„(analysis)์— ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ๊ฒŒ๋” ํ•ฉ๋‹ˆ๋‹ค.๋ฐ์ดํ„ฐ ์—”์ง€๋‹ˆ์–ด๊ฐ€ ์ฒ˜๋ฆฌ๋ฅผ ๋งˆ์นœ ๋ฐ์ดํ„ฐ์…‹์€ ๋ฐ์ดํ„ฐ ๋ถ„์„๊ณผ ๊ด€๋ จ๋œ ์—…๋ฌด๋ฅผ ๋งก๋Š” ์‚ฌ๋žŒ๋“ค์—๊ฒŒ ๋„˜๊ฒจ์ง‘๋‹ˆ๋‹ค.๊นจ๋—ํ•˜๊ณ  ์ •๋ฆฌ๋œ ๋ฐ์ดํ„ฐ์…‹์„ ๋งŒ๋“œ๋Š” ๊ฒƒ์ด ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค. Data Administrator๋ฐ์ดํ„ฐ ๊ด€๋ฆฌ์ž๋Š” ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์˜ ๋ฐ์ดํ„ฐ์˜ ํ๋ฆ„ (์ถ”๊ฐ€์™€ ์ œ๊ฑฐ)๋ฅผ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค.๋ถ„์„์— ์‚ฌ์šฉ๋˜๋Š” ๋ฐ์ด..
์ง€๋‚œ ํฌ์ŠคํŠธ๊นŒ์ง€ ์‚ดํŽด๋ณด์•˜๋˜ ํ–‰์œ„๋“ค, data์™€ big data์˜ ์ฒ˜๋ฆฌ์™€ business intelligence๋Š” ๊ณผ๊ฑฐ์— ์ผ์–ด๋‚œ ์ผ๋“ค์„ ๋ถ„์„ํ•˜๊ธฐ ์œ„ํ•œ ์ง€ํ–ฅ์ ์„ ๊ฐ€์ง„ ํ–‰์œ„๋“ค์ด์˜€์Šต๋‹ˆ๋‹ค. ์ด๋ฒˆ ํฌ์ŠคํŠธ์—์„œ๋Š” ์ด๋ฅผ ํ†ตํ•ด ๊ถ๊ทน์ ์œผ๋กœ ์šฐ๋ฆฌ๊ฐ€ ๋‹ค๊ฐ€๊ฐ€๋ ค๊ณ  ํ•˜๋Š” ๋ฏธ๋ž˜ ๋ถ„์„ ์ค‘, ์ „ํ†ต์ ์ธ ๋ฐฉ๋ฒ•๋“ค์— ๋Œ€ํ•ด์„œ ์†Œ๊ฐœํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. Traditional Methods๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ •์˜๋ฉ๋‹ˆ๋‹ค.A set of methods that are derived mainly from statistics and are adopted for business.Statistic, ์ฆ‰ ์ƒ˜ํ”Œ ๋ฐ์ดํ„ฐ์—์„œ ๊ตฌํ•œ ํ†ต๊ณ„์  ๊ฐ’๋“ค์œผ๋กœ๋ถ€ํ„ฐ ์œ ์ถ”๋˜๊ณ , ๋น„์ฆˆ๋‹ˆ์Šค๋“ค์— ์‚ฌ์šฉ๋˜๋Š” ๋ฐฉ๋ฒ•๋“ค์„ ์ด์นญํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ traditional methods๋Š” ๋ฏธ๋ž˜์˜ ํผํฌ๋จผ์Šค๋ฅผ ์˜ˆ์ธกํ•˜๋Š”๋ฐ ๋†’์€ ..
Business Intelligence (BI)๋Š” ๋ฌด์—‡์ผ๊นŒ์š”?Business Intelligence, BI๋Š” ๊ณผ๊ฑฐ์˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„์„, ์ดํ•ด, ์„ค๋ช… ๋ฐ ๋ณด๊ณ ํ•˜๋Š” ๊ณผ์ •์— ํฌํ•จ๋œ ๋ชจ๋“  tool์ž…๋‹ˆ๋‹ค.๋Œ€์ƒ ๋น„์ฆˆ๋‹ˆ์Šค์˜ ๋งค์ถœ์ด ์ฆ๊ฐ€ํ•˜์˜€๋Š”์ง€, ๊ทธ๋ฆฌ๊ณ  ์™œ ์ฆ๊ฐ€ํ•˜์˜€๋Š”์ง€๋ฅผ ๋ถ„์„ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•˜๋ฉด ์ง๊ด€์ ์ž…๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๋Š” BI๋ฅผ ํ†ตํ•ด์„œ ์•„์ด๋””์–ด์™€ ํ†ต์ฐฐ๋ ฅ์„ ์–ป๊ณ , ๋ฏธ๋ž˜์˜ ๊ฒฐ์ •์— ๋„์›€์„ ์ฃผ๊ธฐ๋ฅผ ์›ํ•ฉ๋‹ˆ๋‹ค. ์‹ค์ƒํ™œ์˜ ์˜ˆ์‹œ๋กœ๋Š”, ์„ฑ์ˆ˜๊ธฐ์— (์ˆ˜์š”๊ฐ€ ๋Š˜์–ด๋‚˜๋Š” ์‹œ๊ธฐ์—) ํ˜ธํ…” ๊ฐ€๊ฒฉ์„ ์˜ฌ๋ฆฌ๋Š” price optimization์ด ์žˆ๊ฒ ์Šต๋‹ˆ๋‹ค.๊ณผ๊ฑฐ์˜ ์ˆ™๋ฐ•๊ฐ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ๋ฐฉ์˜ ๊ฐ€๊ฒฉ์„ ์ตœ์ ํ™”ํ•˜์—ฌ ์ˆ˜์ต์„ ์ตœ๋Œ€ํ™” ์‹œํ‚ค๋Š” ํ–‰์œ„๊ฐ€ ๋˜๊ฒ ์Šต๋‹ˆ๋‹ค. BI๋ฅผ ๋”์šฑ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด, ๋ช‡๊ฐ€์ง€ ๊ฐœ๋…๋“ค์„ ์†Œ๊ฐœํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.Observation (๊ด€์ฐฐ): ์ˆ˜ํ•™์ ์œผ๋กœ ๋‹ค๋ฃจ์–ด์งˆ ์ˆ˜ ์—†๋Š”..
Chan Lee
'Data Science' ํƒœ๊ทธ์˜ ๊ธ€ ๋ชฉ๋ก