Full name
numpy.nan
Library
NumPy
Syntax
numpy.nan
Description
numpy.nan is a special value from the NumPy library that represents the null value.
Parameters
numpy.nan does not accept arguments.
Result
numpy.nan returns a value of type float.
Examples
We can create a NumPy array that includes null values with the following code:
a = np.array([2, np.nan, 4, 1, np.nan])
a
array([2., nan, 4., 1., nan])
Note that the result is an array of type float, as it includes both integer and real values (the null values):
a.dtype
dtype('float64')
