Use numpy.where() For If Else Conditionals on Python Arrays @geospatialschool
Use numpy.where() For If Else Conditionals on Python Arrays @geospatialschool
Uploaded December 2021 | Updated September 2026, 2 weeks ago
The numpy.where function is a very powerful way to scale conditional operations to large arrays while reducing computational overhead. Basically, it's a fast way to do if else on large data. This numpy.where tutorial will teach youth basics on 1d and 2d arrays with some clear examples.

Code available: opensourceoptions.com/blog/how-to-use-numpy-where-in-python-with-examples

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Use numpy.where() For If Else Conditionals on Python Arrays

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