Comments¶
DataFrame.replaceworks different fromDataFrame.update.
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import pandas as pd
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df = pd.DataFrame({"x": [1, 2, 3, 4, 5], "y": [5, 4, 3, 2, 1]})
df
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df.x[df.x < 3] = 1000
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df
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df.y.replace(5, 5000, inplace=True)
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df
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