IEEE Fraud Detection Competition思路探索

訓練集和測試集的數據分在兩個不一樣的表裏。經過統計發現只有少部分train_transaction中的TransactionID能夠在train_identity中找到對應 區分新廣告與就廣告 # Here we confirm that all of the transactions in `train_identity` print(np.sum(train_transaction['Tran
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