[Python] 100 Schläge auf Data Science (strukturierte Datenverarbeitung) 021 Erläuterung

len(df_receipt)

104681

df_receipt.info()

<class 'pandas.core.frame.DataFrame'>
RangeIndex: 104681 entries, 0 to 104680
Data columns (total 9 columns):
 #   Column          Non-Null Count   Dtype 
---  ------          --------------   ----- 
 0   sales_ymd       104681 non-null  int64 
 1   sales_epoch     104681 non-null  int64 
 2   store_cd        104681 non-null  object
 3   receipt_no      104681 non-null  int64 
 4   receipt_sub_no  104681 non-null  int64 
 5   customer_id     104681 non-null  object
 6   product_cd      104681 non-null  object
 7   quantity        104681 non-null  int64 
 8   amount          104681 non-null  int64 
dtypes: int64(6), object(3)
memory usage: 7.2+ MB

len(df_receipt.columns)

9

df_receipt.shape

(104681, 9)

df_receipt.size

942129

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