python check if nan
import math
x = float('nan')
math.isnan(x)
True
python check if nan
import math
x = float('nan')
math.isnan(x)
True
how to check if a value is nan in python
# If you are doing any conditional operation and you want to check a if
# a single value is Null or not then you can use numpy's isna method.
np.isna(df[col][0])
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