pandas數據處理基礎

1.一維數組創建Series(序列) arr1 = np.arange(10) s1 = pd.Series(arr1) 2.二維數組創建DataFrame(數據框) arr2 = np.array(np.arange(12)).reshape(4,3) #reshape調整arange使之成爲一個4X3的矩陣 arr2 [[ 0 1 2] [ 3 4 5] [ 6 7 8] [ 9 10 11]

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