发明名称 |
Hierarchical determination of feature relevancy for mixed data types |
摘要 |
A method for feature selection based on hierarchical local-region analysis of feature characteristics in a data set of mixed data type is provided. A data space associated with a mixed-type data set is partitioned into a hierarchy of plural local regions. A relationship metric (for example, a similarity correlation metric) is used to evaluate for each local region a relationship measure between input features and a target. One or more relevant features is identified, by using the relationship measure for each local region.
|
申请公布号 |
US7298906(B2) |
申请公布日期 |
2007.11.20 |
申请号 |
US20050068185 |
申请日期 |
2005.02.28 |
申请人 |
COMPUTER ASSOCIATES THINK, INC. |
发明人 |
DUAN BAOFU;MENG ZHUO;PAO YOH-HAN |
分类号 |
G06K9/46;G06F7/00;G06K9/62 |
主分类号 |
G06K9/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|