针对不平衡数据集，提出一种基于后验概率的特征选择算法。
In this paper, a posterior-probability-based feature selection algorithm is proposed for imbalanced datasets.
目前国际上对类别不平衡数据的研究主要集中在两个个层面：对数据集的处理和对分类算法的改进。
At present, researches on class imbalance problems mainly focus on two aspects: dataset processing and classification method improving.
围绕这颗微小行星飞行的航天器发回的数据显示它有一个不平衡磁场其表面拥有令人惊讶的丰富硫磺和奇特洞穴。
Data from the spacecraft orbiting the tiny planet indicate it has a lopsided magnetic field, a surprising abundance of sulfur and unusual 'hollows' on its surface.
未经欧洲央行证实的数据表明，欧元成员国在2006年创下了一些国际收支最不平衡的记录。
Unregistered by the ECB's statistical coverage, euro members in 2006 recorded some of the world's largest balance of payments disequilibria.
如果AJT40或60中出现不平衡，检查确保在任何合计账户(以前一直是一个数据账户)上没有数据。
If you get imbalance in AJT 40 or 60, check that there is no data on any summation account (that has formerly been an in data account).
当各类的训练示例的大小不平衡，或者数据的独立性不符合要求时，Naive Bayes分类器会出现故障。
Naive Bayes classifiers often break down when the size of the training examples per class are not balanced or when the data is not independent enough.
官方数据可能夸大了全球经常账户收支不平衡的状况。
Official statistics probably exaggerate global current-account imbalances.
精密离心机动平衡系统由数据采集、数据分析处理、不平衡量的解算、执行部分等组成。
The precision centrifuge dynamic balancing system is composed of data acquisition, data analysis and disposal, imbalance calculation and executive part.
来自美国的最新数据显示，当今的文学出版界中，得到评论的女性作品和来自女性的评论数量都存在着巨大的不平衡。
Recent statistics from the US showed a vast imbalance in the Numbers of women reviewed and reviewing in today's literary press.
软件中包含轮胎规格管理，不平衡量测量，数据库管理，报表管理，历史查询，故障分析与诊断等功能。
This software also includes tyre specification management, database management, report management, history data query, trouble-shooting and so on.
采用过抽样、欠抽样技术来弥补数据类别分布不平衡对模型性能的不利影响。
Sampling methods including over-sampling, under-sampling were taken to make up the shortage caused by the imbalanced data.
第三部分首先用整理后的数据揭示两大远洋航线上，不同航向上运量存在的巨大不平衡。
Third, it uses the date to show the big imbalance between the different direction on the Asian-US and Asian-EU lines.
大量的实验数据表明，曲轴不平衡对发动机有很大影响，为此，应尽量减少不平衡量。
A lot of experimental data showed that the unbalanced crankshafts have harmful effects to the engines. For this reason, the unbalanced value should be kept as small as possible.
针对图像标注中所使用数据集存在的数据不平衡问题，提出一种新的基于外部数据库的自动平衡模型。
Concerning the imbalance of the data set used in image annotation, a new self-balancing model based on external database was proposed.
正是这种极不平衡的数据，令深圳上清饮队沦落到了为保级而战的鱼腩球队。
It is this very uneven, so that the supernatant Shenzhen drink team reduced to avoid relegation fight for the team Yunan.
数据广播的根本目的就是为了解决移动数据库系统用户规模庞大以及网络通信条件不平衡等问题。
To solve the problem of large scale of mobile clients and network communication asymmetry is the primary purpose of datacasting.
此方法克服了图像标注中数据库存在的不平衡问题，使得至少被正确标注一次的词的数量、精确率和召回率等均明显提高。
The proposed method overcomes the imbalance in image annotation, making the number of words which can be correctly labeled at least once, precision and recall be increased obviously.
此方法克服了图像标注中数据库存在的不平衡问题，使得至少被正确标注一次的词的数量、精确率和召回率等均明显提高。
The proposed method overcomes the imbalance in image annotation, making the number of words which can be correctly labeled at least once, precision and recall be increased obviously.
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