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Wednesday, April 3, 2019

Kaggle Live-Coding: Code Reviews! | Kaggle







  • Make code robust and reproducible, if column names change later can you still handle it. 
  • Use R functions for column querying starts_with(), ends_with(), contains() makes the query more robust, harder to break downstream. 
  • Avoid using numeric column indexing as order of columns may change
  • Avoid redundancy in code and comments
  • If want to make file a bit shorter, can avoid inline images, use script to generate images instead. 
  • Make sure the logic matches the coding comment and function signature
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OpenCV cheat sheet

import cv2 cv2.imread() cv2.resize() .tranpose() on arrays .reshape() on arrays