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李敬文微笑道：飞虎旗，旗飞虎，旗卷虎藏身。Black line: jiuxiong* …This is because in the testing phase, ECOC coding has certain tolerance and correction ability for classifier errors. For example, the correct prediction code for the test example in fig. 3.5 (a) is (-1, +1, +1,-1, +1). Assuming that a classifier made an error during the prediction, for example, h made an error, resulting in the error code (-1,-1, +1,-1, +1), but the correct final classification result C3 can still be generated based on this code. Generally speaking, for the same learning task, the longer the ECOC code, the stronger the error correction ability.这位住院医生的预后很好：福克斯周一宣布，它已经将这部医疗剧续演第三季。乾隆准备修《四库全书》，纪晓岚力排群雄，成为总篆官。和珅自然很不服气，于是将与纪晓岚有私仇的颜如玉安插在纪晓岚身边，伺机报复。为了招贤纳士，乾隆要开恩科考试。想到既能聚敛钱财，又能广招门徒，和珅热烈响应。而纪晓岚大加反对，招致处分。由于科场舞弊成风，考生刘进薪大闹科场，乾隆得知后大怒，命和珅查办此事。和珅舍卒保车，严厉查办众考官，而科考作弊的真正操纵者——总督敏德并未被涉及。刘进薪因为揭露了考场丑闻而被敏德迫害，接状的纪晓岚决计查清真相。经过与和珅的一番较量，纪晓岚怒揭科场弊病，敏德伏法，而和珅却因为自己的受贿罪证被毁而更加肆无忌惮，表示要借科考培植自己的势力，与纪晓岚对抗到底。　　在这里，可以看到难以OVR trains N classifiers by taking samples of one class as positive examples and samples of all other classes as counterexamples at a time. If only one classifier predicts a positive class during the test, the corresponding class mark will be taken as the final classification result. As shown in FIG. 3.4, if multiple classifiers predict as positive classes, the prediction confidence of each classifier is usually considered, and the category mark with the largest confidence is selected as the classification result.