python test if value is np.nan
import numpy as np
mynan = np.nan
mynum = 18
print("NaN? : ", np.isnan(mynan)) # Use np.isnan() to test
print("NaN? : ", np.isnan(mynum))
# Results:
# Nan? : True
# NaN? : Falsepython test if value is np.nan
import numpy as np
mynan = np.nan
mynum = 18
print("NaN? : ", np.isnan(mynan)) # Use np.isnan() to test
print("NaN? : ", np.isnan(mynum))
# Results:
# Nan? : True
# NaN? : Falsepython test is nan
math.isnan(n)python checking if something is equal to NaN
# Test to see if it is equal to itself
def isNaN(num):
return num != numcheck if something is nan python
import math
print math.isnan(float('NaN'))OutputTrue
print math.isnan(1.0)OutputFalsecheck is string is nan python
>>> pd.isnull(None)
TrueIdentify Null and NAN python
import pandas as pd
pd.isnull(df.columnName).sum()
pd.notnull(df.columnName).sum()Copyright © 2021 Codeinu
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