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How I can supress a PerformanceWarning in pandas?
I've already tried warnings.simplefilter(action='ignore', category=PerformanceWarning), but it gives me a NameError: name 'PerformanceWarning' is not defined
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Generally, to avoid a SettingWithCopyWarning in Pandas, you should do the following: Avoid chained assignments that combine two or more indexing operations like df["z"][mask] = 0 and df. loc[mask]["z"] = 0 . Apply single assignments with just one indexing operation like df.
To suppress any warnings in the script, import the warnings library, and pass the filterwarnings() function the argument ignore .
PerformanceWarning is not a built-in warning class so you can't call it directly in category argument. You can try the following code:
import pandas as pd
import warnings
warnings.simplefilter(action='ignore', category=pd.errors.PerformanceWarning)
I have no idea how to reproduce the PerformanceWarning but i tested a similar approach to the "SettingWithCopyWarning" pandas warning and it worked. Let me know if it works.
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