查询词典 apriori

Based on the basic, the Aprior algorithm of riddling compression is proposed and apply to earthquake forecast.

在此基础上提出了基于筛选压缩的Apriori挖掘算法，将该算法应用于地震预报，并进行了模拟实验。

And has carried on the simulation ,the result demonstrated the Aprior algorithm of riddling compression can improve the efficiency and accurate rate of earthquake forecast greatly.

比较结果显示，基于筛选压缩的Apriori挖掘算法极大的提高了效率和地震预报的准确率。

It first introduce the destination of data mining, the main techniques, system structure and running process, then describes basic theories and Apriori algorithms of association rules mining particularlly, through analysis and explanation, it refers to confidence and supportance.

它首先介绍了关联规则挖掘研究的现状以及研究的目的和意义，并给出数据挖掘的体系结构和运行过程。

The output result is used as apriori information when the input is a full white image to calculate the distribution of spots and illumination ununiformity of which stabilization is assumed in an experiment.

利用系统输入全白图像的输出结果作为先验信息，在假定一次实验中污点和光源保持不变的基础上，确定其分布。

Transaction database contains more redundant data, which greatly affected the extraction of frequent itemsets.

关联规则的Apriori算法，在频繁项集的过程中要多次扫描数据库，而事务数据库中含有较多的冗余数据，极大地影响了频繁项集的提取效率。

For regularization method, different situations require different types of regularizing term, which employs apriori knowledge to improve the generalization performance of an algorithm in solving a problem.

与SVR现有的SMO算法相比，简化算法的数学形式简洁直观，在不增加算法空间和时间复杂度的前提下避免了大量繁复的判别条件，较大幅度地简化了算法实现，有利于SVR的广泛使用。

Moreover, the support and confidence thresholds not have to be specified in the framework.

在人工数据集和真实数据集上的实验结果表明文中的算法在发现规则的有趣性上优于类Apriori算法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。