rate accuracy

As this algorithm selects feature subset using evaluation criterion based on the margin, and constructs individual classifier with higher accuracy rate, it improves the performance of ensemble learning.

该算法用基于margin的特征子集评估准则来选择特征子集，构造了准确率比较高的个体分类器，提高了集成学习的效果。

Experiments have shown that new topic-focused Web crawler is ideally effective in terms of both download speed and accuracy rate, which ensures the validity and practicability of the crawler.

实验表明，新的主题爬虫在下载速度和准确率上都有理想的效果，保证了爬虫有效性和实用性。

The use of a difference measuring method for the system can reduce the influence of quantization error of A/ D converter, thereby increasing the measurement accuracy of the temperature rise rate and enhancing the accuracy of thermal stress calculation.

该系统中采用了一种测差法，该方法减小了测量中模数转换器的量化误差的影响，提高了温升率测量的准确度和热应力计算的准确度。

The experiments on UCI database and ELENA database indicate that the algorithm has a high classified accuracy rate.

UCI数据库和ELENA数据库上的实验表明，该算法具有较高的分类准确率。

You have the accuracy rate of a magic 8 ball.

你的准确度就跟魔法八号球一样

The average error rate is 1.21 percent and the maximum error rate 2.73 percent, the accuracy of imitation is very high.

对全国总人口序列采用柯布&道格拉斯函数模型进行增量序列拟合建模，在中间变量层次中揭示出周期性变化规律，拟合效果极显著，平均误差率1.21%，最大误差率2.73%，拟合精度极高。

Finally, to verify the validity of the model, I used historical data back to the early warning model for sub-test, binary logistic model to calculate the overall accuracy rate and false alert rate.

最后，为了验证模型的有效性，笔者利用历史数据对预警模型进行回判测试，计算出二元逻辑斯蒂模型的总体预警准确率和误判率。

Experimental results showed that our method based on user behavior has higher accuracy than traditional method that based on CTR ( Click-through Rate).

实验证明基于用户行为的评估方法比传统的基于点击率的方法具有更高的准确率。

For now, high defect rate and large noise in the grinding process are the main defects of the domestic polishing machine. As for the polishing head, serious cam concentrated wear, low kinematic accuracy of the swing link and high repair rate are the main flaws.

目前，国产抛光机设备主要存在着抛光磨削加工过程中碎砖现象严重，加工噪音大等缺陷，尤其是抛光磨头更存在凸轮局部磨损现象严重，摆杆运动精度低以及返修率高等问题。

By comparing the results of experiment get the conclusion: in the same experimental condition SVM has better filtering performance index ( including recall rate, accuracy rate, precision rate and F value) than NB in the Chinese spam filtering.

通过比较实验结果可知：在相同的实验条件下，SVM在进行中文垃圾邮件过滤时其过滤性能指标（包括召回率、正确率、准确率和F值）较NB有所提升。