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OvO pairs the N classes in pairs to generate N (N-1)/2 binary classification tasks. For example, OvO will train a classifier to distinguish classes Ci and Cj. The classifier takes the Ci class sample in D as a positive example and the Cj class sample as a counterexample. In the testing phase, the new samples will be submitted to all classifiers at the same time, so we will get N (N-1)/2 classification results, and the final results can be generated by voting: that is, the category that is predicted most is taken as the final classification result. Figure 3.4 shows a schematic diagram.他终不能堵在这不走，只得催马离去。Disk.shutdown ();After the grapes are picked by hand, they are put into small crates and picked for the first time in the vineyard. 15% of the harvest will be removed by hand, while the rest will be removed by a stem remover. Grapes are put into wooden barrels without being crushed. Subsequently, low-temperature soaking before fermentation and manual cap pressing are carried out. 70% of the wine will be aged with wine residue in French new oak barrels for 18 months, during which time the barrels will be stirred regularly.华夏影视三大巨头之一，同时也是世界电影业五大巨头之一的青龙影视打算升级产业链，在国内外大规模投资布局，武界出版社正是青龙影视斥资创建的。爸，我这是合租房，她应该是我的室友。Https://www.jiemian.com/article/2083146.html