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数学_56

数学

Posted at 2023-01-10

考察

相関係数の算出
定義どおり計算すれば良いけど、実にめんどい

コードで解決

0.7735

x = np.array([2, 3, 5, 4, 5])
y = np.array([3, 2, 4, 4, 5])
df = pd.DataFrame([x, y]).T

# Pandasの場合
print(df.corr())

# numpyの場合
print(np.corrcoef(x, y))

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