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@key(Mitsukuni Sato)

Pandasメモ

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リサンプル時に補間する

時系列データを伸ばす方向にリサンプルすると補間が行われずにNaNが入る（デフォルト）。
fill_methodオプションで埋めるようにする。

df = pandas.read_csv(f, fill_method='pad')

NaNの行を削除する

df.dropna(how='all', inplace=True)  # inplace=Trueで自己破壊的な処理をする
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