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日本ディープラーニング協会主催 もくもく会 #5「オンライン学習リモートもくもく」の3時間を使って『Pythonによるデータ分析入門第2版』をまとめる。





df1 = DataFrame({'key': ['b', 'b', 'a', 'c', 'a', 'b'],
                 'data1': range(6)})
df2 = DataFrame({'key': ['a', 'b', 'a', 'b', 'd'],
                 'data2': range(5)})

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