I faced several problems trying to get my keras-dev docker container up and running in order to contribute to keras open-source project. I would like to prevent others from ending up wasting their time trying to solve this, so that they can dive right into the interesting stuff -- contributing to keras.
There are two common ways to encode categorical features. We can use Ordinal Encoding or we can use One Hot Encoding. Let's explore when you should use Ordinal encoding and when to use One hot encoding in this post.