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1. Grid ์ดํ•ดํ•˜๊ธฐ

1.1 Default Grid

๊ธฐ๋ณธ์ ์ธ Grid๋Š” ์ถ•๊ณผ ํ‰ํ–‰ํ•œ ์„ ์„ ์‚ฌ์šฉํ•˜์—ฌ ๊ฑฐ๋ฆฌ ๋ฐ ๊ฐ‘ ์ •๋ณด๋ฅผ ๋ณด์กฐ์ ์œผ๋กœ ์ œ๊ณตํ•œ๋‹ค.

  • ์ƒ‰์€ ๋‹ค๋ฅธ ํ‘œํ˜„๋“ค์„ ๋ฐฉํ•ดํ•˜์ง€ ์•Š๋„๋ก ๋ฌด์ฑ„์ƒ‰

  • ํ•ญ์ƒ Layer ์ˆœ์„œ ์ƒ ๋งจ ๋ฐ‘์— ์˜ค๋„๋ก zorder๋ฅผ ์กฐ์ •

  • ํฐ ๊ฒฉ์ž์™€ ์„ธ๋ถ€ ๊ฒฉ์ž๋Š” which= ๋กœ major ์™€ minor ๊ทธ๋ฆฌ๊ณ  both ๋กœ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค

  • X์ถ•, Y์ถ•๋„ axis= ๋กœ x ์™€ y ๊ทธ๋ฆฌ๊ณ  both ๋กœ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค.

1.2 ๋‹ค์–‘ํ•œ ํƒ€์ž…์˜ Grid

์ „ํ˜•์ ์ธ Grid๋Š” ์•„๋‹ˆ์ง€๋งŒ ์—ฌ๋Ÿฌ ํ˜•ํƒœ๋กœ ์กด์žฌํ•œ๋‹ค.

  • ๋‘ ๋ณ€์ˆ˜์˜ ํ•ฉ์ด ์ค‘์š”ํ•˜๋‹ค : x+y=c

  • ๋น„์œจ์ด ์ค‘์š”ํ•˜๋‹ค : y=cx

  • ๋‘ ๋ณ€์ˆ˜์˜ ๊ณฑ์ด ์ค‘์š”ํ•˜๋‹ค : xy = c

  • ํŠน์ • ๋ฐ์ดํ„ฐ๋ฅผ ์ค‘์‹ฌ์œผ๋กœ ๋ณด๊ณ  ์‹ถ๋‹ค : (x-x')^2 + (y-y')^2 = c

  • ์—ฌ๊ธฐ์— ๋งŽ์€ ์˜ˆ์‹œ๊ฐ€ ์žˆ๋‹ค.

๊ธฐ๋ณธ์ ์ธ Grid

๋‘ ๋ณ€์ˆ˜์˜ ํ•ฉ์ด ์ค‘์š”ํ•œ ๊ทธ๋ฆฌ๋“œ

  • ์ถ•๊ตฌ์„ ์ˆ˜์˜ ๊ณต๊ฒฉ๋ ฅ๊ณผ ์ˆ˜๋น„๋ ฅ ๋น„๊ต

  • ๊ณ ๋“ฑํ•™์ƒ์˜ ์ˆ˜ํ•™์ ์ˆ˜์™€ ์˜์–ด์ ์ˆ˜ ๋น„๊ต

๋น„์œจ์ด ์ค‘์š”ํ•œ ๊ทธ๋ฆฌ๋“œ

  • ๊ฐ€ํŒŒ๋ฅผ์ˆ˜๋ก Y/X ๊ฐ€ ์ปค์ง€๋ฉฐ, Feature์˜ ๋น„์œจ์ด ์ค‘์š”ํ•œ ๊ฒฝ์šฐ ์‚ฌ์šฉํ•œ๋‹ค.

  • ํˆฌ์ž๋Œ€๋น„ ์–ป์„ ์ˆ˜ ์žˆ๋Š” ์˜ˆ์ƒ ์ˆ˜์ต๋Ÿ‰

ํŠน์ • ๋ฐ์ดํ„ฐ๊ฐ€ ์ค‘์‹ฌ์ธ ๊ทธ๋ฆฌ๋“œ

  • ํด๋Ÿฌ์Šคํ„ฐ๋ฅผ ํ‘œํ˜„ํ•  ๋•Œ ์ข‹๋‹ค.

  • circle ๋กœ๋„ ํ‘œํ˜„ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ plot ์œผ๋กœ ํ‘œํ˜„ํ•  ๊ฒƒ์ž„

2. ์‹ฌํ”Œํ•œ ์ฒ˜๋ฆฌ

2.1 ์„  ์ถ”๊ฐ€ํ•˜๊ธฐ

  • ์ƒํ•œ๊ณผ ํ•˜ํ•œ์„ ํ‘œํ˜„ํ•˜๋Š” ๋Œ€์‹œ์„ 

  • ํ‰๊ท ์„ ํ‘œํ˜„ํ•˜๊ธฐ ์œ„ํ•œ ์ ์„ 

  • ์›์ ์ด ์ค‘์‹ฌ์ด๋ผ๋Š” ๊ฒƒ์„ ํ‘œํ˜„ํ•˜๊ธฐ ์œ„ํ•ด y์ถ•๊ณผ ํ‰ํ–‰ํ•˜๊ฒŒ ๊ทธ์€ ์‹ค์„ 

2.2 ๋ฉด ์ถ”๊ฐ€ํ•˜๊ธฐ

Netflix ์˜ํ™” ์ƒ์˜ ๋“ฑ๊ธ‰ ๋ถ„ํฌ
  • ์—ฐ๋ น๋ณ„๋กœ ๊ตฌ๋ถ„ํ•ด์„œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๋‹ˆ ๊ฐ€๋…์„ฑ์ด ์ข‹์•„์ง€๋Š” ๋ชจ์Šต

3. Setting ๋ฐ”๊พธ๊ธฐ

3.1 Theme

๋Œ€ํ‘œ์ ์œผ๋กœ fivethirtyeight์ด๋‚˜ ggplot์„ ์‚ฌ์šฉํ•œ๋‹ค.

3-4-More Information

์ •๋ณด๋Ÿ‰์„ ๋Š˜๋ฆฌ๊ณ , ๋” ๊น”๋”ํ•œ matplotlib์„ ์œ„ํ•œ ํŒ๋“ค์„ ์•Œ์•„๋ด…์‹œ๋‹ค.

1. Grid

๊ฐ•์˜์—์„œ ์†Œ๊ฐœํ•œ ๋‚ด์šฉ์„ ์ฝ”๋“œ๋กœ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.

1-1. grid

๊ธฐ๋ณธ์ ์ธ Grid๋ถ€ํ„ฐ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.

๊ธฐ๋ณธ์ ์ธ ๊ทธ๋ฆฌ๋“œ์—์„œ๋Š” ๋‹ค์Œ ํŒŒ๋ผ๋ฏธํ„ฐ๋ฅผ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.

  • which : major ticks, minor ticks

  • axis : x, y

  • linestyle

  • linewidth

  • zorder

1-2. x + y = c

๊ทธ๋ฆฌ๋“œ ๋ณ€๊ฒฝ์€ grid ์†์„ฑ์„ ๋ณ€๊ฒฝํ•˜๋Š” ๋ฐฉ๋ฒ•๋„ ์กด์žฌํ•˜์ง€๋งŒ ๊ฐ„๋‹จํ•œ ์ˆ˜์‹์„ ์‚ฌ์šฉํ•˜๋ฉด ์‰ฝ๊ฒŒ ๊ทธ๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

1-3. y = cx

1-4. ๋™์‹ฌ์›

2. Line & Span

์šฐ์„  ํ•„์š”ํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถˆ๋Ÿฌ์˜ค๊ฒ ์Šต๋‹ˆ๋‹ค.

gender

race/ethnicity

parental level of education

lunch

test preparation course

math score

reading score

writing score

0

female

group B

bachelor's degree

standard

none

72

72

74

1

female

group C

some college

standard

completed

69

90

88

2

female

group B

master's degree

standard

none

90

95

93

3

male

group A

associate's degree

free/reduced

none

47

57

44

4

male

group C

some college

standard

none

76

78

75

2-1. Line

  • axvline()

  • axhline()

์ง๊ต์ขŒํ‘œ๊ณ„์—์„œ ํ‰ํ–‰์„ ์„ ์›ํ•˜๋Š” ๋ถ€๋ถ„ ๊ทธ๋ฆด ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.

์„ ์€ Plot์œผ๋กœ ๊ทธ๋ฆฌ๋Š”๊ฒŒ ๋” ํŽธํ•  ์ˆ˜ ์žˆ๊ธฐ์— ์›ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ทธ๋ ค์ฃผ์‹œ๋ฉด ๋ฉ๋‹ˆ๋‹ค.

ax์˜ ์ „์ฒด ๊ตฌ๊ฐ„์„ 0, 1๋กœ ์‚ผ์•„ ํŠน์ • ๋ถ€๋ถ„์—๋งŒ ์„ ์„ ๊ทธ๋ฆด ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.

๋‹ค๋งŒ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ํŠน์ • ๋ถ€๋ถ„์„ ์„ ์œผ๋กœ ํ•  ๋•Œ๋Š” ์˜คํžˆ๋ ค plot์ด ์ข‹์Šต๋‹ˆ๋‹ค.

ํ‰๊ท ๋ณด๋‹ค ๋†’์€ ์ ๋“ค์— ๋Œ€ํ•ด์„œ๋งŒ ์ƒ‰์„ ํ‘œํ˜„ํ–ˆ๋‹ค.

2-2. Span

  • axvspan

  • axhspan

์„ ๊ณผ ํ•จ๊ป˜ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ํŠน์ • ๋ถ€๋ถ„ ๋ฉด์ ์„ ํ‘œ์‹œํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

ํŠน์ • ๋ถ€๋ถ„์„ ๊ฐ•์กฐํ•  ์ˆ˜๋„ ์žˆ์ง€๋งŒ, ์˜คํžˆ๋ ค ํŠน์ • ๋ถ€๋ถ„์˜ ์ฃผ์˜๋ฅผ ์—†์•จ ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.

2-3. Spines

  • ax.spines : ๋งŽ์€ ์š”์†Œ๊ฐ€ ์žˆ์ง€๋งŒ ๋Œ€ํ‘œ์ ์ธ 3๊ฐ€์ง€๋ฅผ ์‚ดํŽด๋ด…์‹œ๋‹ค.

    • set_visible : ์ถ•์„ ์•ˆ๋ณด์ด๊ฒŒํ•จ

    • set_linewidth : ์ถ•์˜ ๋‘๊ผ๋ฅผ ์„ค์ •

    • set_position : ์ถ•์˜ ์œ„์น˜๋ฅผ ์˜ฎ๊ธด๋‹ค

์ถ•์€ ๊ผญ ์ค‘์‹ฌ ์™ธ์—๋„ ์›ํ•˜๋Š” ๋ถ€๋ถ„์œผ๋กœ ์˜ฎ๊ธธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • 'center' -> ('axes', 0.5)

  • 'zero' -> ('data', 0.0)

๋น„์œจ์ ์ธ ์ธก๋ฉด์—์„œ ๋ฐ”๊ฟ€ ๋–„๋Š” axes๋ฅผ, ํŠน์ • ๋ฐ์ดํ„ฐ์— ์œ„์น˜๋กœ ๋ฐ”๊ฟ€ ๋•Œ์—๋Š” ๋ฐ์ดํ„ฐ์˜ ์œ„์น˜์— tupleํ˜•ํƒœ๋กœ ์„ค์ •ํ•˜๋ฉด ๋œ๋‹ค.

3. Settings

3-1. mpl.rc

3-2. theme

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