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Pandas Not Null Value Check Methods
pythonforbeginners.com/basics/check-for-not-null-value-in-pandas-pythonYapay zekadan makale özeti
- notna() Method
- notna() is a negation of isna() for checking for null values
- Returns True for non-null values, False for null values
- Works with single objects and collections like lists and tuples
- Returns boolean array for lists/arrays containing True/False values
- notna() Method Usage
- Can be applied to entire dataframe or specific columns
- Returns boolean dataframe for dataframe operations
- Works with pandas Series objects as well
- Returns boolean array for series operations
- notnull() Method
- Alias of notna() for checking for null values
- Works similarly to notna() for dataframe operations