One challenge is having enough training data. Another is that the training data needs to be free of contamination. For a model trained up till 1900, there needs to be no information from after 1900 that leaks into the data. Some metadata might have that kind of leakage. While it’s not possible to have zero leakage - there’s a shadow of the future on past data because what we store is a function of what we care about - it’s possible to have a very low level of leakage, sufficient for this to be interesting.
好奇心会逼着我们学习。而对史蒂夫来说，想学习远比想证明自己正确更重要。
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"As well as creating a new habitat for birds, the island will also help to reduce erosion of the existing saltmarsh at Northey Island," he added.
Мир Российская Премьер-лига|19-й тур