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5 powerful pandas techniques every Python user should know

This tells pandas to build a pivot table, using the "region" column as the index, and the small, large, and "extra large" ...
IEEE

Design of Lower-Error and Area-Efficient Sine Function Generators for Image Encryptions Using Logarithmic Number Systems (LNS)

Abstract: In order to protect the privacy of images, sine functions can be used for the encryption of images. However, the operations for generating sine functions are becoming the area-consuming ...