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[Python] Pandas Dataframe ๊ธฐ๋ณธ (๋ฐ์ดํ„ฐํ”„๋ ˆ์ž„ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ/์ €์žฅํ•˜๊ธฐ, ๋ฐ์ดํ„ฐ ๊ฐœ์ˆ˜ ๊ตฌํ•˜๊ธฐ, ๋ฐ์ดํ„ฐํ”„๋ ˆ์ž„ ์—ฐ๊ฒฐํ•˜๊ธฐ, column ๋ชฉ๋ก ํ™•์ธ, pd.Series value_counts๋กœ ์—ด์˜ value ํ™•์ธํ•˜๊ธฐ)

pandas ํŒŒ์ผ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ - csv ํ˜•์‹ ํŒŒ์ผ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ import pandas as pd df = pd.read_csv('ํŒŒ์ผ๋ช….csv') # csvํŒŒ์ผํ˜•์‹์€ ๊ฐ„๋‹จํ•˜๊ฒŒ ๋ถˆ๋Ÿฌ์™€์ง - ํƒญ์œผ๋กœ ๋ถ„๋ฆฌ๋œ txt ํŒŒ์ผ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ import pandas as pd df= pd.read_csv('ํŒŒ์ผ๋ช….txt', delimiter = '\t') # ํƒญ์œผ๋กœ ๋ถ„๋ฆฌ๋œ txt(tsv ํ˜•์‹๋„ ๊ฐ€๋Šฅ) ๋ถˆ๋Ÿฌ์˜ค๊ธฐ - ๊ณต๋ฐฑ์œผ๋กœ ๋ถ„๋ฆฌ๋œ ํŒŒ์ผ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ import pandas as pd df = pd.read_csv(โ€˜ํŒŒ์ผ๋ช….ํ™•์žฅ์žโ€™, delimiter = ' ') # ๊ณต๋ฐฑ์œผ๋กœ ๋ถ„๋ฆฌ๋œ ํŒŒ์ผ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ Dataframe์˜ data ๊ฐœ์ˆ˜ ์„ธ๊ธฐ print(len(df.index)) print(df.shape[0]) print(len(df))..

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