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-rw-r--r--data_science/pandas_demo/__init__.py0
-rw-r--r--data_science/pandas_demo/groupby_demo.py11
2 files changed, 11 insertions, 0 deletions
diff --git a/data_science/pandas_demo/__init__.py b/data_science/pandas_demo/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/data_science/pandas_demo/__init__.py
diff --git a/data_science/pandas_demo/groupby_demo.py b/data_science/pandas_demo/groupby_demo.py
new file mode 100644
index 0000000..d271010
--- /dev/null
+++ b/data_science/pandas_demo/groupby_demo.py
@@ -0,0 +1,11 @@
+import pandas as pd
+import numpy as np
+
+df = pd.DataFrame([('bird', 'Falconiformes', 389.0),
+ ('bird', 'Psittaciformes', 24.0),
+ ('mammal', 'Carnivora', 80.2),
+ ('mammal', 'Primates', np.nan),
+ ('mammal', 'Carnivora', 58)],
+ index=['falcon', 'parrot', 'lion', 'monkey', 'leopard'],
+ columns=('class', 'order', 'max_speed'))
+print(df)