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[Project๐Ÿ—‚] ๊ตญ๊ฐ€์ˆ˜๋ฆฌ๊ณผํ•™ ์—ฐ๊ตฌ์†Œ ์ฃผ๊ด€ 2018 ์‚ฐ์—…์ˆ˜ํ•™ ์„ธ๋ฏธ๋‚˜, ์œ ํด๋ฆฌ๋””์•ˆ ๊ฑฐ๋ฆฌ์™€ eigenvalues ๋ฅผ ์ด์šฉํ•œ ์œ ์‚ฌ๊ตฐ ์ถ”์ถœ

Python 100.00%
math python tableau

2018_nims's Introduction

๊ฑด์ถ•๋ฌผ ํŠน์„ฑ์— ๋”ฐ๋ฅธ ์œ ์‚ฌ๊ตฐ ์ถ”์ถœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ฐœ๋ฐœ

2018.08.20~08.24 / 2018 ๊ตญ๊ฐ€ ์ˆ˜๋ฆฌ๊ณผํ•™ ์—ฐ๊ตฌ์†Œ ์‚ฐ์—…์ˆ˜ํ•™ ์„ธ๋ฏธ๋‚˜

data ๊ณต๊ฐœ ๋ถˆ๊ฐ€

๋ชฉ์ 

  • ์ˆ˜ํ•™์  ์ด๋ก ์— ๊ทผ๊ฑฐํ•œ ํ•œ๊ตญํ˜• ์œ ์‚ฌ๊ตฐ ์ถ”์ถœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ฐœ๋ฐœ
  • ์ฃผํƒ ๋ฐ ํ† ์ง€ ์˜ˆ์ธก์— ์œ ์˜๋ฏธํ•œ ์ƒˆ๋กœ์šด ๋ณ€์ˆ˜์™€ ์•„์ด๋””์–ด ๋…ผ์˜

๊ฐœ์š”

  • ๊ณต๊ณต ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ๋ณธ์ธ์ด ์›ํ•˜๋Š” ์ฃผํƒ/ํ† ์ง€์™€ ์œ ์‚ฌํ•œ ๋น„๊ต๋Œ€์ƒ์„ ์ถ”์ถœํ•˜๋Š” ์ˆ˜ํ•™์  ๋ฐฉ๋ฒ•๋ก  ๋…ผ์˜
    • ๋‹จ๋… ๋ฐ ๋‹ค๊ฐ€๊ตฌ ์ฃผํƒ
    • ํ† ์ง€
  • ๋ฐ์ดํ„ฐ ํƒ์ƒ‰ ๋ฐ ์‹œ๊ฐํ™”
    • ์œ ์˜๋ฏธํ•œ ๋ฐ์ดํ„ฐ์˜ ์ˆ˜ํ•™์  ํŠน์ง• ํŒŒ์•…
    • ์ฃผํƒ ๊ฐ€๊ฒฉ ๊ฒฐ์ •ํ•˜๋Š”๋ฐ ํ•„์š”ํ•œ ์ƒˆ๋กœ์šด ๋ณ€์ˆ˜ ํƒ์ƒ‰

์ƒ์„ธ ๋‚ด์šฉ

1. excel ๋ฐ์ดํ„ฐ ํ™•์ธ

  • ์†Œ์žฌ์ง€, ๋„๋กœ์กฐ๊ฑด, ๋ฉด์ , ๊ฑฐ๋ž˜๊ธˆ์•ก, ๊ฑด์ถ•๋…„๋„ ๋“ฑ
  • ์ด 10๊ฐœ column

image-20210619163203749

2. ๊ณ„์‚ฐ์‹

  • ๊ธฐ๋ณธ์ ์œผ๋กœ ์‚ฌ์šฉ์ž๊ฐ€ ์›ํ•˜๋Š” ์กฐ๊ฑด์— ๊ฐ€์žฅ ๋ถ€ํ•ฉํ•˜๋Š” (์œ ํด๋ฆฌ๋””์•ˆ ๊ฑฐ๋ฆฌ๊ฐ€ ๊ฐ€์žฅ ๊ฐ€๊นŒ์šด) ๋งค๋ฌผ ์ถœ๋ ฅ

  • ํ•˜์ง€๋งŒ, ๊ฐ ๋ฐ์ดํ„ฐ์˜ ์ˆซ์ž ๋ฒ”์œ„๊ฐ€ ๋‹ฌ๋ผ์„œ ์ˆซ์ž๊ฐ€ ํฐ ๊ฑฐ๋ž˜๊ธˆ์•ก์— ๊ฐ€์ค‘์น˜๊ฐ€ ๊ฐ€์žฅ ํฌ๊ฒŒ ์ ์šฉ๋˜๋Š” ๋ฌธ์ œ

  • ์ •๊ทœํ™” ํ•  ๊ฒฝ์šฐ ๋ชจ๋“  ์ปฌ๋Ÿผ๊ฐ„์˜ ๊ฐ€์ค‘์น˜๊ฐ€ ๋™์ผํ•˜์—ฌ ์‚ฌ์šฉ์ž๊ฐ€ ์–ด๋–ค ์š”์†Œ์— ์šฐ์„ ์ˆœ์œ„๋ฅผ ๋‘๋Š”์ง€์™€ ์ƒ๊ด€์—†๋Š” ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜ค๊ฒŒ ๋œ๋‹ค.

  • ํ•ด์„œ ์•„๋ž˜ 3๊ฐœ์˜ ์‹์„ ์ ์šฉํ•˜์—ฌ ์„œ๋กœ ๋‹ค๋ฅธ ๊ฒฐ๊ณผ๋ฅผ ๋„์ถœํ•˜๊ณ , ๊ฐ€์žฅ ๊ทผ์ ‘ํ•œ ๋งค๋ฌผ๋กœ ์ถ”์ฒœ

    1. ๋กœ๊ทธ๋กœ ๊ตฌํ• ๋•Œ ํ•จ์ˆ˜

      def g(i,x1,x2,x3,x4):
          return (((math.log(x1)-math.log(df[i,6])))**2+((math.log(x2)-math.log(df[i,7])))**2+((math.log(x3)-math.log(df[i,9])))**2+((x4-df[i,10])/dd1)**2)**0.5
    2. ์ •๊ทœํ™”ํ•œ ๊ฑฐ๋ฆฌ๋กœ ๊ตฌํ•˜๋Š” ํ•จ์ˆ˜

      def g(i,a1,a2,a3,a4,x1,x2,x3,x4):
          return (a1*((x1-df[i,6])/aa1)**2+a2*((x2-df[i,7])/bb1)**2+a3*((x3-df[i,9])/cc1)**2+a4*((x4-df[i,10])/dd1)**2)**0.5
    3. ์ ˆ๋Œ€๊ฐ’์œผ๋กœ ๊ตฌํ•œ ํ•จ์ˆ˜

      def g(i,x1,x2,x3,x4):
          return abs((x1-df[i,6])/aa1)+abs((x2-df[i,7])/bb1)+abs((x3-df[i,9])/cc1)+abs((x4-df[i,10])/dd1)

3. ์‹œ๊ฐํ™”

  • tableau ์‚ฌ์šฉ
  • ๊ฐ ์š”์†Œ๋ณ„ ๊ฑฐ๋ž˜ ํšŸ์ˆ˜, ๊ฑฐ๋ž˜ ๊ธˆ์•ก์„ ์‹œ๊ฐํ™”

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4. ๊ฒฐ๊ณผ

  • ์ง€์—ญ์  ์กฐ๊ฑด์„ ์„ ํƒํ•œ ํ›„์—๋Š” ์—ฐ๋ฉด์ ,๋Œ€์ง€๋ฉด์ ,๊ฑฐ๋ž˜๊ฐ€๊ฒฉ,๊ฑด์ถ•๋…„๋„ 4๊ฐ€์ง€๋กœ ์œ ์‚ฌ์„ฑ์„ ํŒ๋‹จํ•œ๋‹ค. ์‹์€ ์•„๋ž˜์™€ ๊ฐ™๋‹ค

    img

  • ๊ฐ๊ฐ์˜ ๋ฐ์ดํ„ฐ์˜ ํฌ๊ธฐ๊ฐ€ ๋‹ฌ๋ผ์„œ ํ‘œ์ค€ํŽธ์ฐจ๋ฅผ ํ†ตํ•ด ์ •๊ทœํ™”๋ฅผ ํ•ด์ค€ํ›„ ๊ฐ€์ค‘์น˜๋ฅผ ๋ถ€์—ฌํ–ˆ๋‹ค.

    ๊ฐ€์ค‘์น˜๋ฅผ ๊ณ„์‚ฐ ํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ์•„๋ž˜์™€ ๊ฐ™๋‹ค.

    img ,

  • ์‚ฌ์šฉ์ž์— ์ž…๋ ฅ์— ๋”ฐ๋ฅธ ์ƒ์œ„ 5๊ฐœ ๋งค๋ฌผ ์ถ”์ฒœ ๊ฒฐ๊ณผ์ด๋‹ค. ์ฒซ๋ฒˆ์งธ ์—ด์˜ distance๊ฐ€ ์ž‘์„์ˆ˜๋ก ์œ ์‚ฌ๋„๊ฐ€ ๋†’๋‹ค๊ณ  ํŒ๋‹จํ•œ๋‹ค.

    9

๊ฒฐ๋ก  ๋ฐ ๋ฐฐ์šด์ 

  • ๋‹จ์ˆœํ•œ ์ถ”์ฒœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ชจํ˜•์„ ๊ตฌํ˜„ํ•ด๋ณด๋ฉด์„œ, ์œ ์‚ฌ๋„ ํŒ๋‹จ์˜ ๊ธฐ์ค€๊ณผ ๊ฐ€์ค‘์น˜๋ฅผ ๋ถ€์—ฌํ•˜๋Š” ๋ฒ•์„ ๋ฐฐ์› ๋‹ค.
  • ๊ฐ€์žฅ ๊ฐ„๋‹จํ•œ ๋ฐฉ๋ฒ•์œผ๋กœ ๋จผ์ € ์œ ํด๋ฆฌ๋””์•ˆ ๊ฑฐ๋ฆฌ๋กœ ๊ตฌํ•ด๋ณด๊ณ , ์›ํ•˜๋Š” ๋ฐ์ดํ„ฐ์™€ ๋‹ฌ๋ฆฌ ์ˆซ์ž์˜ ๊ทœ๋ชจ๊ฐ€ ํฐ ์š”์†Œ์— ์น˜์ค‘๋œ๋‹ค๋Š” ๊ฒƒ์„ ํ™•์ธํ–ˆ๋‹ค. ์ดํ›„ ๋ฐ์ดํ„ฐ๋ฅผ ์ •๊ทœํ™”ํ•˜์—ฌ ๋ชจ๋‘ ๋™์ผํ•œ ํ‰๊ท ์„ ๊ฐ–๊ฒŒ ํ•œ ํ›„, ๊ฐ€์ค‘์น˜๋ฅผ ๋‘๋Š” ๊ฒƒ์œผ๋กœ ์กฐ์ •ํ–ˆ๋‹ค.
  • ์ฒ˜์Œ์— ๊ณผ์ œ๋ฅผ ๋ฐ›์•˜์„ ๋‹น์‹œ์—๋Š” ์—‘์…€์ƒ์—์„œ ํ•„ํ„ฐ ๊ธฐ๋Šฅ์„ ์จ๋„ ๊ฑฐ์˜ ๋™์ผํ•œ ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์™€์„œ ๊ตณ์ด ๋ชจ๋ธ์„ ๋งŒ๋“ค์–ด์•ผ ํ•˜๋Š” ์˜๋ฌธ์ด ์žˆ์—ˆ๋‹ค. ํ•˜์ง€๋งŒ, ํ•„ํ„ฐ๋ง์„ ํ•˜๋ฉด ๊ฐ ์š”์†Œ์— +- ์–ด๋Š์ •๋„๋ฅผ ์ค„์ง€๋ฅผ ์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•ด์•ผ ํ•˜๋Š” ๋ฒˆ๊ฑฐ๋กœ์›€์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์ข‹์€ ํ”„๋กœ๊ทธ๋žจ์ด๋ผ๊ณ  ํ•  ์ˆ˜ ์—†๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ๋‹ค.

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