EPOCH

Tanımlar (İngilizce)

1. isim A particular period of history, or of a person's life, especially one considered noteworthy or remarkable.

   “And it occasionally happens that a period in which one had, hitherto, been mainly looking for the coming to birth of new things, suddenly reveals itself as an epoch of fading and decay.”

2. isim A notable event which marks the beginning of such a period.
3. isim A specific instant in time, chosen as the point of reference or zero value of a system that involves identifying instants of time.

   “UNIX epoch; J2000 epoch”

4. isim A geochronologic unit of hundreds of thousands to millions of years; a subdivision of a period, and subdivided into ages (or sometimes subepochs).

   “Now during the time of the glacial epoch the greatest distance of the sun in winter was 98¼ millions of miles, whereas it is now, in winter, only 91½ millions of miles, the mean distance being taken as 93 million miles.”

5. isim One complete presentation of the training data set to an iterative machine learning algorithm.

   “The neural network was trained over 500 epochs.”

6. fiil To divide (data) into segments by time period.

   “The continuous data were epoched into segments of 1500 ms (starting 500 ms before visual stimulus onset), time-locked to stimulus onset (0 ms) and sorted according to experimental conditions.”

7. isim An intensive chemotherapy regimen for treating aggressive non-Hodgkin lymphoma, consisting of etoposide, prednisolone, Oncovin (vincristine), cyclophosphamide, and hydroxydaunorubicin.