To encode a binary variable, such as sex in the demo data, you can use either zero-one encoding or minus-one-plus-one encoding. In theory, minus-one-plus-one is better, ... Creating and Training the ...

Figure 1: Neural Autoencoder Anomaly Detection in Action . ... A tricky topic is encoding binary (two possible values) predictor variables, such as the sex variable in the demo. Theoretically, it's ...