๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๐Ÿ’ก Data Analysis30

[DA][Python] ๋Œ€ํ™” ๋ถ„์„ ๊ธฐ๋Šฅ - ์‚ฌ์šฉ์ž๋ณ„ ๋Œ€ํ™” ๋นˆ๋„ ๋ถ„์„ (1) ์•ž ๊ฒŒ์‹œ๊ธ€์—์„œ ์นด์นด์˜คํ†ก ์›๋ณธ ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋‚ด๋ ค๋ฐ›์•„ ์ „์ฒ˜๋ฆฌํ•˜๋Š” ๊ณผ์ •์„ ์ž‘์„ฑํ•˜๊ณ  ํ•จ์ˆ˜๋กœ ๊ตฌํ˜„ํ•ด๋ณด์•˜๋‹ค.โ–ผ ๊ฒŒ์‹œ๋ฌผ ํ™•์ธํ•˜๊ธฐ [DA][Python] (2์ฐจ ์„ค๊ณ„ ๋ฐ ์™„์„ฑ) ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ์ฝ”๋“œ ์ˆ˜์ • ์„ค๊ณ„ํ˜„์žฌ ํ•ด๋‹น ๋‚ด์šฉ์€ ํ”ผ๋“œ๋ฐฑ์„ ๋ฐ›์•„ ์ฝ”๋“œ ์ž‘์„ฑ์„ ์™„๋ฃŒํ•˜์˜€์œผ๋ฉฐ ์ตœ์ข… ์™„์„ฑ๋œ ์ฝ”๋“œ์— ๋Œ€ํ•œ ์„ค๋ช…์ด๋‹ค.์ˆ˜์ •์‚ฌํ•ญ1. ํ•จ์ˆ˜๋ช…์„ ๋ช…ํ™•ํ•˜๊ฒŒ ๋ณ€๊ฒฝ2. ์›๋ณธ ๋ฐ์ดํ„ฐ์— ์กด์žฌํ•˜๋Š” ์„œ๋กœ ๋‹ค๋ฅธ ํ˜•์‹์˜ ๋ผ์ธ ๋‘ ๊ฐ€์ง€์—sundery.tistory.com ์ด์ œ๋Š” ๋ฐ์ดํ„ฐํ”„๋ ˆ์ž„์œผ๋กœ ์ •๋ฆฌ๋œ ์นด์นด์˜คํ†ก ๋Œ€ํ™”๋ฅผ ์›ํ•˜๋Š” ๋ถ„์„ ๊ฒฐ๊ณผ๋ฅผ ์–ป๊ธฐ ์œ„ํ•œ ํ•จ์ˆ˜๋ฅผ ๋งŒ๋“ค์–ด์„œ ๊ฒฐ๊ณผ๋ฅผ ๋„์ถœํ•ด๋ณผ ๊ฒƒ์ด๋‹ค.์šฐ์„  ์‰ฌ์šด ํ•จ์ˆ˜๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด๋ณผ ์˜ˆ์ •์ด๊ณ  ์ด ๊ฒŒ์‹œ๊ธ€์—์„œ๋Š” ๊ฐ„๋‹จํ•˜๊ฒŒ ์‚ฌ์šฉ์ž๋ณ„ ๋Œ€ํ™” ๋นˆ๋„๋ฅผ ๋ถ„์„ํ•˜๋Š” ํ•จ์ˆ˜๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๋ฒ•์„ ์‚ดํŽด๋ณผ ๊ฒƒ์ด๋‹ค.๋ถ„์„ ๋‚ด์šฉ์‚ฌ์šฉ์ž๋ณ„ ๋Œ€ํ™” ๋นˆ๋„ ๋ถ„์„์นด์นด์˜คํ†ก.. 2024. 7. 11.
[DA][Python] (2์ฐจ ์„ค๊ณ„ ๋ฐ ์™„์„ฑ) ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ์ฝ”๋“œ ์ˆ˜์ • ์„ค๊ณ„ ํ˜„์žฌ ํ•ด๋‹น ๋‚ด์šฉ์€ ํ”ผ๋“œ๋ฐฑ์„ ๋ฐ›์•„ ์ฝ”๋“œ ์ž‘์„ฑ์„ ์™„๋ฃŒํ•˜์˜€์œผ๋ฉฐ ์ตœ์ข… ์™„์„ฑ๋œ ์ฝ”๋“œ์— ๋Œ€ํ•œ ์„ค๋ช…์ด๋‹ค.์ˆ˜์ •์‚ฌํ•ญ1. ํ•จ์ˆ˜๋ช…์„ ๋ช…ํ™•ํ•˜๊ฒŒ ๋ณ€๊ฒฝ2. ์›๋ณธ ๋ฐ์ดํ„ฐ์— ์กด์žฌํ•˜๋Š” ์„œ๋กœ ๋‹ค๋ฅธ ํ˜•์‹์˜ ๋ผ์ธ ๋‘ ๊ฐ€์ง€์— ๋Œ€ํ•œ ์ฒ˜๋ฆฌ ํ•จ์ˆ˜ + ์‹œ๊ฐ„ ํ˜•์‹ ๋ณ€ํ™˜ ํ•จ์ˆ˜ + ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ํ•จ์ˆ˜ ์ด 4๊ฐœ๋กœ ์„ค๊ณ„ ๋ณ€๊ฒฝ ์ฒ˜์Œ์— ๋งŒ๋“ค์—ˆ๋˜ ํ˜•์‹ ๊ตฌ๋ถ„ ๋ฐ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ๊ณผ์ •์˜ ์ฝ”๋“œ๋Š” ๊ทธ๋Œ€๋กœ ๊ฐ€์ ธ์˜ค๋˜, ํ•จ์ˆ˜๋ฅผ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ์‹๊ณผ ๋‚ด์šฉ์„ ๊ตฌ๋ถ„ํ•˜๋Š” ๋ฐฉ์‹, ๋ฐ์ดํ„ฐ ํ”„๋ ˆ์ž„ํ™” ํ•˜์—ฌ columns์—์„œ ๋ผ์ธ์„ ์ง€์ •ํ•˜์—ฌ ๋ฐ˜๋ณต๋ฌธ์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ์‹์— ๋Œ€ํ•ด ๋ฐฐ์šธ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ์ƒ์„ฑํ•˜๋Š” ํ•จ์ˆ˜ ์š”์•ฝ1. extract_dates_inv๋‚ ์งœ ์ •๋ณด ์ถ”์ถœyear, month, day, current_weekday ๊ฐ’ ์ถ”์ถœ๋ฐ์ดํ„ฐ ์ถ”์ถœ ๋ฐ ์ •์ œex) 2023๋…„ => 20232. extract_con.. 2024. 7. 8.
[DA][Python] ๋ฐ์ดํ„ฐ ๋ถ„์„ ์‹œ ํ™œ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ์ดˆ ํ•จ์ˆ˜ ๊ฐœ์š”๋ฐ์ดํ„ฐ ๋ถ„์„์— ํ™œ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ํ•จ์ˆ˜ 4๊ฐœ๋ฅผ ์ƒ์„ฑํ•ด๋ณด๊ณ  ๋ฐ์ดํ„ฐ๋ฅผ ์ž…๋ ฅ ํ›„ ์ถœ๋ ฅํ–ˆ์„ ๋•Œ ์–ด๋–ค ํ˜•์‹์œผ๋กœ ๋‚˜์˜ค๋Š” ์ง€์— ๋Œ€ํ•ด ์•Œ ์ˆ˜ ์žˆ๋‹ค. ํ•จ์ˆ˜ ์ข…๋ฅ˜1. ํ‰๊ท ๊ณผ ํ‘œ์ค€ํŽธ์ฐจ ๊ณ„์‚ฐ ํ•จ์ˆ˜2. ์ƒ๊ด€ํ–‰๋ ฌ์„ ๊ณ„์‚ฐํ•˜๋Š” ํ•จ์ˆ˜์ƒ๊ด€ํ–‰๋ ฌ์ด๋ž€๋ฐ์ดํ„ฐ ์„ธํŠธ์˜ ์—ฌ๋Ÿฌ ๋ณ€์ˆ˜๋“ค ๊ฐ„์˜ ์ƒ๊ด€๊ด€๊ณ„๋ฅผ ๋‚˜ํƒ€๋‚ด๋Š” ํ‘œ๋ฅผ ์˜๋ฏธํ–‰๋ ฌ์€ ๋ณ€์ˆ˜๋“ค ๊ฐ„์˜ ์ƒ๊ด€๊ณ„์ˆ˜๋ฅผ ๊ณ„์‚ฐํ•˜์—ฌ ๊ทธ ๊ฒฐ๊ณผ๋ฅผ ํ–‰๋ ฌ ํ˜•ํƒœ๋กœ ๋‚˜ํƒ€๋‚ธ๋‹ค.๊ฐ’์€ -1๋ถ€ํ„ฐ 1๊นŒ์ง€์˜ ๊ฐ’์„ ๊ฐ€์ง„๋‹ค.1 : ๋‘ ๋ณ€์ˆ˜ ๊ฐ„์— ์™„๋ฒฝํ•œ ์–‘์˜ ์ƒ๊ด€๊ด€๊ณ„๊ฐ€ ์žˆ์Œ-1 : ๋‘ ๋ณ€์ˆ˜ ๊ฐ„์— ์™„๋ฒฝํ•œ ์Œ์˜ ์ƒ๊ด€๊ด€๊ณ„๊ฐ€ ์žˆ์Œ0 : ๋‘ ๋ณ€์ˆ˜ ๊ฐ„์— ์ƒ๊ด€๊ด€๊ณ„๊ฐ€ ์—†์Œ3. ๊ฒฐ์ธก์น˜๋ฅผ ์ฒ˜๋ฆฌํ•˜๋Š” ํ•จ์ˆ˜4. ํŠน์ • ์—ด์˜ ๊ธฐ์ดˆ ํ†ต๊ณ„ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๋Š” ํ•จ์ˆ˜ ๊ธฐ๋ณธ ํŒŒ์ด์ฌ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฐ์ดํ„ฐ ํ”„๋ ˆ์ž„์„ ์„ค์ •ํ•˜๊ธฐ ์œ„ํ•ด pandas๋ฅผ ๋ถˆ๋Ÿฌ์˜ค๊ณ  ๊ฒฐ์ธก๊ฐ’์„ ์ฒ˜๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด์„œ numpy ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ.. 2024. 7. 5.
[DA][Python] (1์ฐจ ์„ค๊ณ„) ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ์ฝ”๋“œ ์ˆ˜์ • ์„ค๊ณ„ (์™„์„ฑ๋ณธ X) ๊ฒฐ๋ก ๋ถ€ํ„ฐ ๋งํ•˜์ž๋ฉด ์•„๋ž˜์ฒ˜๋Ÿผ ์„ค๊ณ„ํ•œ ์ฝ”๋“œ์—์„œ ์˜ค๋ฅ˜๊ฐ€ ๋งŽ์ด ๋‚˜๊ณ  ํ•จ์ˆ˜๋ฅผ ๋„ˆ๋ฌด ๋งŽ์ด ๋‚˜๋ˆด์œผ๋ฉฐ ํ•จ์ˆ˜๋ช…์ด ๋ชจํ˜ธํ•˜๋‹ค๋Š” ํ”ผ๋“œ๋ฐฑ์„ ๋ฐ›์•„ 2์ฐจ ์„ค๊ณ„๋กœ ๋‹ค์‹œ ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•˜์˜€๋‹ค.์ด์ „ ๊ธ€ ์‚ดํŽด๋ณด๊ธฐ๋”๋ณด๊ธฐ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (1) [DA][Python] ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (1)๊ฐœ์š”์นด์นด์˜คํ†ก ์ฑ„ํŒ…๋ฐฉ์˜ ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋‹ค์šด๋กœ๋“œ ํ•œ ํ›„, ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋ถ„์„ํ•˜์—ฌ ์œ ์˜๋ฏธํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋„์ถœํ•  ์ˆ˜ ์žˆ๋„๋ก ๋ฐ์ดํ„ฐ๋ฅผ ์ „์ฒ˜๋ฆฌํ•œ๋‹ค. ์ตœ์ข… ๊ฒฐ๊ณผ๋ฐ์ดํ„ฐ๋ฅผ ์ „์ฒ˜๋ฆฌํ–ˆ์„ ์‹œ, ์ตœ์ข…์ ์œผ๋กœ ์ถœ๋ ฅ๋˜๋Š”sundery.tistory.com์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (2) [DA][Python] ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (2)์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (1) ์‚ดํŽด๋ณด๊ธฐ [Python] ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ .. 2024. 7. 5.
[DA][Python] ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (2) ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (1) ์‚ดํŽด๋ณด๊ธฐ [Python] ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (1)๊ฐœ์š”์นด์นด์˜คํ†ก ์ฑ„ํŒ…๋ฐฉ์˜ ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋‹ค์šด๋กœ๋“œ ํ•œ ํ›„, ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋ถ„์„ํ•˜์—ฌ ์œ ์˜๋ฏธํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋„์ถœํ•  ์ˆ˜ ์žˆ๋„๋ก ๋ฐ์ดํ„ฐ๋ฅผ ์ „์ฒ˜๋ฆฌํ•œ๋‹ค.- ์ถ”ํ›„์— ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•  ๋•Œ๋Š” ๋‹ค์–‘ํ•œ ์‚ฌ๋žŒ๋“ค์ด ์†Œํ†ตํ•˜๋Š” sundery.tistory.com ์•ž์„  ๊ธ€์„ ์ด์–ด์„œ ์ด๋ฒˆ์—๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์ฒ˜๋ฆฌํ•˜๋Š” ๊ณผ์ •์— ๋Œ€ํ•ด ์•Œ์•„๋ณผ ๊ฒƒ์ด๋‹ค.์šฐ์„  ๋ฐ์ดํ„ฐ ํ”„๋ ˆ์ž„์„ ๋งŒ๋“ค๊ธฐ ์ „์—, ๋ฐ์ดํ„ฐ๋ฅผ ๋ฆฌ์ŠคํŠธ ํ˜•์‹์œผ๋กœ ์‚ฝ์ž…ํ•  ์ˆ˜ ์žˆ๋„๋ก ๋นˆ ๋ฆฌ์ŠคํŠธ ๋ณ€์ˆ˜๋ฅผ ์ •์˜ํ•œ๋‹ค.data = [] Year, Month, Day, Day_of_Week ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ๊ฐ€์žฅ ๋จผ์ € ๋‚ ์งœ๋ฅผ ๋‚˜ํƒ€๋‚ด๋Š” year, month, day, weekday ํ•จ์ˆ˜๋ฅผ ๊ฐ€์ ธ์™€์„œ current_date๋ผ๋Š” ๋ณ€์ˆ˜.. 2024. 7. 3.
[DA][Python] ์นด์นด์˜คํ†ก ๋Œ€ํ™” ๋‚ด์šฉ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌํ•˜๊ธฐ (1) ๊ฐœ์š”์นด์นด์˜คํ†ก ์ฑ„ํŒ…๋ฐฉ์˜ ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋‹ค์šด๋กœ๋“œ ํ•œ ํ›„, ๋Œ€ํ™” ๋‚ด์šฉ์„ ๋ถ„์„ํ•˜์—ฌ ์œ ์˜๋ฏธํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋„์ถœํ•  ์ˆ˜ ์žˆ๋„๋ก ๋ฐ์ดํ„ฐ๋ฅผ ์ „์ฒ˜๋ฆฌํ•œ๋‹ค. ์ตœ์ข… ๊ฒฐ๊ณผ๋ฐ์ดํ„ฐ๋ฅผ ์ „์ฒ˜๋ฆฌํ–ˆ์„ ์‹œ, ์ตœ์ข…์ ์œผ๋กœ ์ถœ๋ ฅ๋˜๋Š” ๊ฒฐ๊ณผ๊ฐ’์€ ์•„๋ž˜์™€ ๊ฐ™๋‹ค.๋‚˜๋Š” ๊ฐ€์กฑ๋“ค ๋‹จํ†ก ๋‚ด์šฉ์„ ์ถ”์ถœํ–ˆ๋‹ค ์š”๊ตฌ์‚ฌํ•ญ1. ์นด์นด์˜คํ†ก ์ฑ„ํŒ…๋ฐฉ์—์„œ ํ…์ŠคํŠธ ํŒŒ์ผ์„ ๋ถˆ๋Ÿฌ์˜จ๋‹ค2. ๋ถˆ๋Ÿฌ์˜จ ํ…์ŠคํŠธ ํŒŒ์ผ์„ ๋ผ์ธ๋ณ„๋กœ ์ฝ๋Š”๋‹ค 3. ์›๋ณธ ๋ฐ์ดํ„ฐ ํŒŒ์ผ์—๋Š” ์‹œ๊ฐ„์ด ์˜ค์ „, ์˜คํ›„๋กœ ์ ํ˜€์žˆ์œผ๋ฏ€๋กœ 12์‹œ๊ฐ„ ํ˜•์‹์„ 24์‹œ๊ฐ„ ํ˜•์‹์œผ๋กœ ๋ณ€๊ฒฝํ•˜๋Š” ํ•จ์ˆ˜๋ฅผ ์ƒ์„ฑํ•œ๋‹ค.4. ๋ฐ์ดํ„ฐ์—์„œ ๊ฒฐ๊ณผ ํ”„๋ ˆ์ž„์— ํ•„์š”ํ•œ ์š”์†Œ๋“ค์„ ๋‚˜๋ˆ ์„œ ์ถ”์ถœํ•˜๊ธฐ ์œ„ํ•ด์„œ ์ฒ˜๋ฆฌ๋ฅผ ์ง„ํ–‰ํ•œ๋‹ค.5. ๋ฐ์ดํ„ฐ ํ”„๋ ˆ์ž„์„ ์ƒ์„ฑํ•˜์—ฌ ์›ํ•˜๋Š” ์ˆœ์„œ์— ๋งž์ถฐ์„œ ์ถœ๋ ฅํ•œ๋‹ค. ์นด์นด์˜คํ†ก ์ฑ„ํŒ…๋ฐฉ์˜ ํ…์ŠคํŠธ ํŒŒ์ผ ๋ถˆ๋Ÿฌ์˜ค๊ธฐPC ์นด์นด์˜คํ†ก์— ๋“ค์–ด๊ฐ€์„œ ํ…์ŠคํŠธ๋ฅผ ์ถ”์ถœํ•˜๊ณ  ์‹ถ์€ ์นดํ†ก๋ฐฉ์— ์ ‘์†ํ•˜์—ฌ "๋Œ€ํ™”.. 2024. 7. 3.