1.Four typical databases obtained from CMU are used to do the experiments on the ID3 algorithm, the expected-error prune algorithm and the failure-node prune algorithm. In the experiments, it divides a data set into three parts, used two of them to form the training set and the third part as the testing set. The results of the experiments suggest the failure-node prune algorithm has a quite good pruning effect.
通过采用CMU的4个具有典型特征的数据库对ID3算法、Expected-error prune剪枝算法和Failure-node prune剪枝算法进行实验对比分析,结果表明,Failure-node prune剪枝算法对于不完整的、不确定的、规模大的数据集有更好的剪枝效果,具有一定的应用价值。
2.To prune a forum, select it (or "All Forums") from the dropdown box and click Look up Forum.
想快速删文时,从下拉选单中选择需要进行删文的版面,然后按下查询版面。
3.Would you mind having something else, like stewed fresh fruits berries, peaches and prune whip?
您挑些别的可以吗?比如像煮酥的水果、浆果、桃子或浇奶油的果脯。
4.Please prune plum trees promptly.
请及时修剪李树。
5.made of prune puree and whipped cream.
由梅干和搅打奶油做成。
6.To shorten by cutting; prune.
修剪通过切割来缩短;修剪
7.Will you prune away the unnecessary adjectives in the passage?
把这段文字中不必要的形容词删去好吗?
8.You should prune the speech down.
你应该将演讲删掉一些。
9.The doctor told Charles to drink a large glass of prune juice every day to help his constipation.
医生告诉查尔斯每天喝一大杯酸梅汁能改善便秘。
10.In the prune if cultural and educational reform in modem China, "Absorbing Western Technology on the Basis of the Chinese Traditional System" has the epoch-making significance in changing traditional education and abolishing eight-legged essay to select scholars for public office system.
摘要鸦片战争以后,中国在政治、军事、经济和文化教育等各个领域都面临着深刻的危机,西方思想文化与中国传统文化发生了激烈的交锋在近代中国文化教育转型过程中,“中体西用”对于改变传统教育的空疏之风,打破八股取士制度的禁锢具有划时代意义。