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np.isnan()
AI & DATA SCIENCE // np-isnan
Test element-wise for NaN and return result as a boolean array.
Syntax
res = np.isnan(arr)Examples
Example 01Basic Usage
res = np.isnan(arr)Best Practices
- Refer to the official NumPy documentation for deep vectorization techniques.
- Avoid writing custom Python for-loops for operations that can be vectorized with NumPy.