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Python if nan

Python test is nan

math.isnan(n)

5

Source: docs.python.org

Python checking if something is equal to NaN

# Test to see if it is equal to itself
def isNaN(num):
    return num != num

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Check if something is nan python

import math
print math.isnan(float('NaN'))OutputTrue
print math.isnan(1.0)OutputFalse

0

Source: kite.com

Check is string is nan python

>>> pd.isnull(None)
True

0

Source: stackoverflow.com

Identify Null and NAN python

import pandas as pd
pd.isnull(df.columnName).sum()
pd.notnull(df.columnName).sum()

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Python if nan

math.isnan(x)

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