filter4dgaussian_filter# .ndimage. gaussian_filter (input, sma, order = 0, output = None, mode = 'reflect', cval = 0.0, truncate = 4.0, *, radius = None, axes = None) [source] # MultidimensionalMethod 2 – Use the Excel FILTER Function to Extract Data Based on a Data Validation Drop Down List. If you are working in Excel 2019 and later versions or in Microsoft 365, you can filter data using the FILTER function..