The outputs section is where you explicitly list all the variables that will be used for the model training. If you have defined a group with some of the variables but you still want the original variables to be accounted for, you need to explicitly list them. The assignment section declares a list composed of the following:
- Transformation (variable)
For instance, if you wanted the original body and subject of the e-mails as well as the bigrams you defined in assignments, you would need to declare the outputs as follows:
"outputs": [ "header", "subject", "body", "bigrams"]
The following outputs declaration declares all the text variables and adds the bigrams assignment defined earlier on: ...