回答編集履歴
1
コード修正
answer
CHANGED
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@@ -13,7 +13,9 @@
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13
13
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df['val'] = pd.to_numeric( df['val'], errors='coerce')
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print(df['val'].tolist()) # [1.0, nan, 3.3]
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-
# float→intに変換
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+
# float→intに変換
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#df['val'] = df['val'].fillna(0.0).astype(int) # NaNを0にするだけならこれでもよい
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df = df.dropna() # NaNを含む行を削除
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-
df['val'] = df['val'].
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+
df['val'] = df['val'].astype(int)
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print(df['val'].tolist()) # [1, 0, 3]
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```
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