Apollo 8 was Nasa's most dangerous mission yet
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.
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长春高新硬气弃标，靠院外市场优势暂时稳住阵脚，但资本市场的恐慌已经蔓延。
行政長官李家超日前見記者時表示目前收到約九成業主回覆，政府會平衡各方意見，兼顧現實問題，例如公共資源的適當運用、公帑投入、住屋資源的分配，還有需要釐清的法律、業權等責任和問題；目前對各方案態度公開，望提供更多資料讓居民選擇。