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這個代碼是從給定的名單建立數據框:應該是什麼sqlContext.createDataFrame參數()?
sample_one = [(0, 'mouse'), (1, 'black')]
sample_two = [(0, 'cat'), (1, 'tabby'), (2, 'mouse')]
sample_three = [(0, 'bear'), (1, 'black'), (2, 'salmon')]
sample_data_df = sqlContext.createDataFrame([(sample_one,), (sample_two,),(sample_three,)], ['features'])
在createDataFrame(),爲什麼多餘的逗號sample_one後給予(sample_one)?
@ Anthony..Thanks ...這是因爲我們需要給出一個元組列表來創建數據幀()..對嗎? – Neo