Python

[금융공학 / 파이썬] day1

dbfl9911 2024. 7. 12. 15:17
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https://colab.research.google.com/drive/1vl9ui2-fgludbT4C5t3X2sfqyqoPrUX1?hl=ko#scrollTo=6mTLOYPzj_dt&uniqifier=2

 

Google Colab Notebook

Run, share, and edit Python notebooks

colab.research.google.com


- numpy

import numpy as np
arr1 = np.array([4,3,2,1])
arr1 * 3
array([12,  9,  6,  3])
from numpy import array
array([4,3,2,1])
array([4, 3, 2, 1])
list4 = [7,5,4]
list5 = [9,6,1]
list6 = [list4, list5]
list6[0][1]
arr2 = np.array(list6)
arr2.shape #행, 열 개수 알려줌
(2, 3)

 

 

- pandas

import pandas as pd

#arr2를 pandas의 DataFram함수에 넣어보세요
df1 = pd.DataFrame(arr2)
df1.values
array([[7, 5, 4],
       [9, 6, 1]])
df1.columns = ["a", "b", "c"]
df1.index = ["2024-07-12", "2024-07-13"]
df1.info()

 

df1.describe()

df1.plot()

df1.shape
(2, 3)

 

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