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? : False
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? : False
python test is nan
math.isnan(n)
python3 is nan
>>> import math >>> x = float('nan') >>> math.isnan(x) True
python checking if something is equal to NaN
# Test to see if it is equal to itself def isNaN(num): return num != num
check if a value is nan pandas
import numpy as np import pandas as pd val = np.nan print(pd.isnull(val)) # True
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