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Update 3_3_Data_Munging_with_Pandas.ipynb

Se utiliza np.size en la última columna. Esto calcula el tamaño de la serie, creo que de valores no null, pero no lo que pienso que se pretende es calcular el número de supervivientes, para lo que se podría utilizar np.sum.
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Dani Vera 2019-09-18 15:39:16 +02:00 committed by GitHub
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@ -437,7 +437,7 @@
"\n",
"#Show mean Age, mean SibSp, and number of passengers older than 25 that survived, grouped by Passenger Class and Sex\n",
"df[(df.Age > 25 & (df.Survived == 1))].groupby(['Pclass', 'Sex'])['Age','SibSp','Survived'].agg({'Age': np.mean, \n",
" 'SibSp': np.mean, 'Survived': np.size})"
" 'SibSp': np.mean, 'Survived': np.sum})"
]
},
{