[英]Re indexing DataFrame in Pandas
我將如何重新索引DF的購買記錄,以便首先按商店索引,然后按人員索引? 謝謝
purchase_1 = pd.Series({'Name': 'Chris',
'Item Purchased': 'Dog Food',
'Cost': 22.50})
purchase_2 = pd.Series({'Name': 'Kevyn',
'Item Purchased': 'Kitty Litter',
'Cost': 2.50})
purchase_3 = pd.Series({'Name': 'Vinod',
'Item Purchased': 'Bird Seed',
'Cost': 5.00})
df = pd.DataFrame([purchase_1, purchase_2, purchase_3],
index=['Store 1', 'Store 1', 'Store 2'])
這是您要找的東西嗎?
df = df.set_index('Name', append=True)
輸出:
Cost Item Purchased
Name
Store 1 Chris 22.5 Dog Food
Kevyn 2.5 Kitty Litter
Store 2 Vinod 5.0 Bird Seed
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