If you haven't done already, pull down the latest code from the accompanying repository: https://github.com/packtpublishing/machine-learning-with-core-ml. Once downloaded, navigate to the directory Chapter8/Start/QuickDrawRNN and open the project QuickDrawRNN.xcodeproj. Once loaded, you will see a project that should look familiar to you as it is almost a replica of the project we built in the previous chapter. For this reason, I won't be going over the details here, but feel free to refresh your memory by skimming through the previous chapter.
Rather I want to spend some time highlighting what I consider one of the most important aspects of designing and building the interface between people and machine learning ...