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.
5 years ago · 344e054ba4
parent 2c8238f1f2
commit 344e054ba4
1 changed files with 1 additions and 1 deletions
--- a/ml2/3_3_Data_Munging_with_Pandas.ipynb
+++ b/ml2/3_3_Data_Munging_with_Pandas.ipynb
@ -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})"
   ]
  },
  {