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5. 6. Assume that the date '11/29/2019' in MM/DD/YYYY format is the 4th day of the week, what will be the result of the following?
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Assume that the date '11/29/2019' in MM/DD/YYYY format is the 4th day of the week, what will be the result of the following? import pandas as pd (pd. Timestamp ('11/29/2019') + pd.offsets. MonthEnd().weekday) O 7 O4 O 5 6 Consider a DataFrame df. We want to create groups based on the column group_key in the DataFrame and fill the nan values with group means using: filling_mean = lambda g: g.fillna(g.mean()) Which of the following is correct for performing this task? df.groupby (group_key). transform(filling_mean) Odf.groupby (group_key). aggregate(filling_mean) Odf.groupby (group_key).apply(filling_mean) Odf.groupby (group_key).filling_mean()
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