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WebNov 24, 2024 · 本文结构:什么是交叉验证法?为什么用交叉验证法?主要有哪些方法?优缺点?各方法应用举例?什么是交叉验证法?它的基本思想就是将原始数据(dataset)进 … WebSep 8, 2024 · 四折交叉验证法(four-fold cross validation)将样本随机分成4份,其中任意3份均用作训练样本,剩余1份用作测试样本。依次记录每一种方法在每一次测试样本中 … road maintainer for sale
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