It splits it into its epochs and period. Additionally, it splits it by Era and years before the present.
An epoch is the time and date that a computer uses to determine its clock and timestamp values. The Coordinated Universal Time (UTC) at the epoch, which changes from system to system, is traditionally 0 hours, 0 minutes, and 0 seconds (00:00:00).
A single epoch occurs when the neural network only processes an entire dataset ONCE, both forward and backward. We split up an epoch into several smaller batches since it would be too large to feed the machine all at once.
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