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I’m having a hard time, and I don’t know how else to move on. I have a Dataframe where I am doing a grouping for some columns and in the Aggregate of it I take one of these columns and use the size to make a Count, but I would like to display this list with decreasing ordering. Someone could give me a light?
boarded_vl.groupby(['day_of_week', 'boarded_at']).aggregate({'boarded_at' : np.size})