Calculating the MEAN of a customer’s transaction amounts is a depth 1 feature. Calculating the MAX of those MEAN values over several months is a "deep feature" with a depth of 2. 2. Deep Neural Networks
DFS is an algorithm used for relational and temporal datasets to automatically generate features by following relationships between data tables. finallaid.7z
In deep learning, "deep features" are the intermediate outputs from the hidden layers of a neural network. Deep Feature - an overview | ScienceDirect Topics Calculating the MEAN of a customer’s transaction amounts