What I've learned - 2022.04.29 (๊ธˆ)

COUNTIFSยท2022๋…„ 4์›” 29์ผ
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(TIL-Series) What I've Learned Today

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๐Ÿน What I've learned - 2022.04.29.(Friday)

๐Ÿ—“๏ธ ์ค‘์š”์ผ์ •

(1.1) ๋ฐ์ดํ„ฐ๋งˆ์ด๋‹ ์ˆ˜์—… - ๊ธฐ๋ง๊ณ ์‚ฌ (5/03์ผ)
(1.2) ๋ฐ์ดํ„ฐ๋งˆ์ด๋‹ ์ˆ˜์—… - ํ”„๋กœ์ ํŠธ (5/10์ผ ์ค‘๊ฐ„๋ฐœํ‘œ, 5/24์ผ ์ตœ์ข…๋ฐœํ‘œ)
(2.1) ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๊ณผ์ œ - ๋…ผ๋ฌธ๋ฆฌ๋ทฐ (~5/2์ผ)
(2.2) ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๊ณผ์ œ - ํ”„๋กœ์ ํŠธ (~5/31์ผ)
(3.1) ๋ฐ์ดํ„ฐ์‹œ๊ฐํ™” ๊ณผ์ œ - ๋…ผ๋ฌธ๋ฆฌ๋ทฐ (~5/14์ผ)
(3.2) ๋ฐ์ดํ„ฐ์‹œ๊ฐํ™” ์‹œํ—˜ - ๊ธฐ๋ง๊ณ ์‚ฌ (5/28์ผ)
(4.1) ํ•œ๊ตญ๊ฒฝ์˜๊ณผํ•™ํšŒยท๋Œ€ํ•œ์‚ฐ์—…๊ณตํ•™ํšŒ ์ถ˜๊ณ„๊ณต๋™ํ•™์ˆ ๋Œ€ํšŒ ๋ฐœํ‘œ์ž๋ฃŒ (~5/6์ผ)
(4.2) ํ•œ๊ตญ๊ฒฝ์˜๊ณผํ•™ํšŒยท๋Œ€ํ•œ์‚ฐ์—…๊ณตํ•™ํšŒ ์ถ˜๊ณ„๊ณต๋™ํ•™์ˆ ๋Œ€ํšŒ (6/1์ผ ~ 6/4์ผ)


๐ŸŽฏ ๋ชฉํ‘œ๊ณผ์ œ - Todayย 

  • ํ•œ ๋ฐฉ์œผ๋กœ ๋๋‚ด๋Š” ํŒ๋‹ค์Šค Pandas (์ „์ž์ฑ… ํฌํ•จ)
    • ์„น์…˜2: ํŒŒ์ผ ์ž…์ถœ๋ ฅ โญ•

โœ… ๊ณ ์ •์Šค์ผ€์ค„


๐ŸŽˆ ์‹คํ–‰๊ฒฐ๊ณผ ๋ฐ ๋ฆฌ๋ทฐ


๐Ÿซ ๊ธฐํƒ€


๐Ÿ”– ๋ฐ”๋กœ๊ฐ€๊ธฐ


๐Ÿ” ๊ฒ€์ƒ‰๋กœ๊ทธ (๊ฒ€์ƒ‰๋‚ด์šฉ/์ถœ์ฒ˜ ๋“ฑ)

  • anaconda ๊ด€๋ฆฌ์ž ๊ถŒํ•œ์œผ๋กœ ์‹คํ–‰
  • ์œˆ๋„์šฐ ํŠธ๋ž™ํŒจ๋“œ ์ œ์Šค์ฒ˜
    • ๊ฐ€์šด๋ฐ๋ฒ„ํŠผ : x-mouse
  • usb c 90๋„ ์ผ€์ด๋ธ”
chunk = pd.read_csv('./iris.csv', chunksize = 10)
chunk = list(chunk)
  • chunk

  • python dictionary to list

  • ์˜ค๋””์˜ค์—”์ง„ a2+ ์„ค์ •
    ํ•œ๊ตญ์ธ์ด๋ผ๋ฉด ํ‰๊ท ์ ์œผ๋กœ ์ข‹์•„ํ•˜๋Š” ์ €์Œ์„ ์œ„ํ•ด์„œ USB๋กœ PC์— ์—ฐ๊ฒฐํ•ด์„œ Windows10๊ธฐ์ค€ ์ œ์–ดํŒ์˜ [์†Œ๋ฆฌ]์—์„œ ์Šคํ”ผ์ปค(Audioengine 2+)๋ฅผ ๋”๋ธ”ํด๋ฆญ > ์Šคํ”ผ์ปค ์†์„ฑ์ฐฝ์—์„œ Enhancementsํƒญ > Bass Boost ์ฒดํฌ > Settings... > Frequency 50Hz, Boost Level 3dB > OK > ์ ์šฉ, ํ™•์ธ > ์Šคํ”ผ์ปค ๋ณธ์ฒด์˜ ๋ณผ๋ฅจ์€ ์ ˆ๋ฐ˜์ •๋„ ๋งž์ถ”๊ณ  PC์—์„œ ์กฐ์ ˆํ•ด ๋ณด์„ธ์š”. ์•„๋งˆ ๋งŒ์กฑํ• ๋งŒํ•œ ์‚ฌ์šด๋“œ๋ฅผ ์ฒดํ—˜ํ•˜๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค

[before]

[after]


๐Ÿ“’ ์˜์–ด๋‹จ์–ด, ์šฉ์–ด์ •๋ฆฌ


๐Ÿ’พ ํ•™์Šต๋‚ด์šฉ ์ •๋ฆฌ

# ์ „์ฒด ์—ด ์ด๋ฆ„ ์ž…๋ ฅํ•˜๊ธฐ
df.columns = ['col', 'col', 'col']

# ์„ ํƒํ•˜์—ฌ ์—ด ์ด๋ฆ„ ๋ณ€๊ฒฝํ•˜๊ธฐ
df.rename(columns={'Before':'After'})
inplace = True
# inplace : bool, default False
# Whether to return a new DataFrame. 
#If True then value of copy is ignored.
dataset.list_all()

๐Ÿ“… ์ž‘์„ฑ์ผย 

  • 2022๋…„ 04์›” 29์ผ - 09์‹œ 17๋ถ„

โœ๏ธ ์ˆ˜์ •์ผ

  • 1์ฐจ :

โ—๊ด€๋ฆฌ์ž ๋น„๊ณต๊ฐœ ์ž„์‹œํŽ˜์ด์ง€๋กœ ํด๋ฆญํ•ด๋„ ์—ฐ๊ฒฐ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค
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