Python

[Python] ๋ฐ์ดํ„ฐ ์‹œ๊ฐํ™”

ITs Min 2024. 5. 21.

๐Ÿ›  ๋ชฉํ‘œ

๊ณต๊ณต๋ฐ์ดํ„ฐ์ธ 2024๋…„ 4์›” ๊ธฐ์˜จ ๋ฐ์ดํ„ฐ ์ค‘ ์ตœ์ € ๊ธฐ์˜จ๊ณผ ์ตœ๊ณ  ๊ธฐ์˜จ์„ ์ถ”์ถœํ•ด ์‹œ๊ฐํ™”ํ•œ๋‹ค.


๐Ÿ” Matplotlib

Matplotlib์€ ํŒŒ์ด์ฌ์—์„œ ๋ฐ์ดํ„ฐ ์‹œ๊ฐํ™”๋ฅผ ์œ„ํ•œ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์ด๋‹ค. ์ด ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์„  ๊ทธ๋ž˜ํ”„, ๋ง‰๋Œ€ ๊ทธ๋ž˜ํ”„, ํžˆ์Šคํ† ๊ทธ๋žจ, ์‚ฐ์ ๋„ ๋“ฑ ๋‹ค์–‘ํ•œ ์ข…๋ฅ˜์˜ ๊ทธ๋ž˜ํ”„๋ฅผ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ๋‹ค. ๋˜ํ•œ, ๊ทธ๋ž˜ํ”„์˜ ์Šคํƒ€์ผ, ๋ ˆ์ด๋ธ”, ์ œ๋ชฉ, ์ถ• ๋ฒ”์œ„ ๋“ฑ์„ ์„ธ๋ถ€์ ์œผ๋กœ ์„ค์ •ํ•˜์—ฌ ์‹œ๊ฐํ™”๋ฅผ ๋”์šฑ ๊น”๋”ํ•˜๊ฒŒ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋‹ค.

 

plt.title('only English')
plt.plot([1,2,3,4,5],[20,10,50,40,30]) # ๊ทธ๋ž˜ํ”„๋ฅผ ์ž‘์„ฑํ•ด์„œ,
plt.plot([32.8,38.4,36.5],color='red',label='high')
plt.plot([17.5,16.8,22.3],color='blue',label='low')
์ƒ‰๋ฟ๋งŒ์•„๋‹ˆ๋ผ ์„ ๋ชจ์–‘,๋งˆ์ปคํ‘œ์‹œ ๋“ฑ์˜ ์„ค์ •์‚ฌํ•ญ์„ ๋ณ€๊ฒฝํ•˜๊ฑฐ๋‚˜ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์žˆ๋‹ค!
plt.legend() # ๋ฒ”๋ก€
plt.show() # ์‹œ๊ฐํ™” ์Š›!


๐Ÿ” test.csv


๐Ÿ” ์ฝ”๋“œ

# ๋ฐ์ดํ„ฐ ์‹œ๊ฐํ™”๋ฅผ ์œ„ํ•ด matplotlib ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์™€ pyplot ๋ชจ๋“ˆ์„ ์ž„ํฌํŠธ
import matplotlib.pyplot as plt
import csv

# ์ตœ๊ณ  ๊ธฐ์˜จ๊ณผ ์ตœ์ € ๊ธฐ์˜จ์„ ์ €์žฅํ•  ๋ฆฌ์ŠคํŠธ๋ฅผ ์ดˆ๊ธฐํ™”
high = []
low = []

# test.csv ํŒŒ์ผ์„ ํ™œ์šฉ
with open('test.csv','r') as file :
    # CSV ํŒŒ์ผ์„ ํŒŒ์‹ฑ
    data = csv.reader(file)
    # ํ—ค๋”๋ฅผ ์ฝ๊ณ  ์ถœ๋ ฅ
    header = next(data)
    print(header)
    # ๊ฐ ํ–‰์˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ˜๋ณตํ•˜๋ฉฐ ์ตœ๊ณ  ๊ธฐ์˜จ๊ณผ ์ตœ์ € ๊ธฐ์˜จ์„ ์ถ”์ถœ
    for row in data:
        # ๋งŒ์•ฝ ํ–‰์˜ ๋งˆ์ง€๋ง‰ ์—ด์ด ๋น„์–ด ์žˆ๋‹ค๋ฉด ๋ฐ˜๋ณต์„ ์ข…๋ฃŒ
        if row[-1] == '':
            break
        # ๊ฐ ํ–‰์—์„œ ์ตœ๊ณ  ๊ธฐ์˜จ๊ณผ ์ตœ์ € ๊ธฐ์˜จ์„ ์ถ”์ถœํ•˜์—ฌ ๋ฆฌ์ŠคํŠธ์— ์ถ”๊ฐ€
        high.append(float(row[4])) # ์ตœ๊ณ  ๊ธฐ์˜จ ๋ฐ์ดํ„ฐ๋Š” row[4]์— ์œ„์น˜
        low.append(float(row[-3])) # ์ตœ์ € ๊ธฐ์˜จ ๋ฐ์ดํ„ฐ๋Š” row[-3]์— ์œ„์น˜

# ๊ทธ๋ž˜ํ”„์˜ ์ œ๋ชฉ์„ ์„ค์ •
plt.title('the temperatures of April 2024')
# ์ตœ๊ณ  ๊ธฐ์˜จ ๋ฐ์ดํ„ฐ๋ฅผ hotpink ์ƒ‰์ƒ์œผ๋กœ ์„  ๊ทธ๋ž˜ํ”„๋กœ ํ‘œ์‹œ
plt.plot(high, color='hotpink', label='high')
# ์ตœ์ € ๊ธฐ์˜จ ๋ฐ์ดํ„ฐ๋ฅผ lightblue ์ƒ‰์ƒ์œผ๋กœ ์„  ๊ทธ๋ž˜ํ”„๋กœ ํ‘œ์‹œ
plt.plot(low, color='lightblue', label='low')
# ๋ฒ”๋ก€๋ฅผ ์ถ”๊ฐ€
plt.legend()
# ๊ทธ๋ž˜ํ”„๋ฅผ ์ถœ๋ ฅ
plt.show()

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