Pandas DataFrame isna() Method
Example
Replace all values in the DataFrame with True for NOT A NUMBER values, otherwise False:
In this example we use a .csv file called data.csv
import pandas as pd
df = pd.read_csv('data.csv')
newdf = df.isna()
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Definition and Usage
The isna() method returns a DataFrame object
where all the values are replaced with a Boolean value True for NA (not-a
-number) values, and otherwise False.
Syntax
dataframe.isna()
Parameters
This method takes no parameters.
Return Value
A DataFrame with Boolean values.
