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 Chapter4/Start/FacialEmotionDetection and open the project FacialEmotionDetection.xcodeproj. Once loaded, you will hopefully recognize the project structure as it closely resembles our first example. For this reason, we will just concentrate on the main components that are unique for this project, and I suggest reviewing previous chapters for clarification on anything that is unclear.
Let's start by reviewing our project and its main components; your project should look similar to what is shown in the following screenshot:
As shown in the preceding screenshot, the project looks a lot like our previous projects. I am going to make...