Thank you for your help!
This is the entry for _classifierInput:
In this case, 'topredict' represents a ratio of some items on a balance sheet, sometimes exceeding 1 or dipping below -1.
Thank you for your suggestion on how to handle missing data Rhyolight, but I think it might not be ideal for my particular situation. My data consists of separate sequences and not one continuous stream of data, so I will try out using noise, as you mentioned.