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  • Ulf Morys thinks this is interesting:

A training step is composed of multiple time steps where the number of time steps depends on how large the sequence for this training step is

From

Cover of Recurrent Neural Networks with Python Quick Start Guide

Note

e.g. the length of a phrase ? Take-away: when examining A/R-sequences, this would mean that sequences have different lengths, depending on the number of A/R-events triggered by the user.