| A New Statistic for Variable Selection in Questionnaire Analysis |
| |
| 作者姓名： | ZHANG Jun-hua FANG Wei-wu Institute of Applied Mathematics Academy of Mathematics and System Sciences Chinese Academy of Sciences Beijing China |
| |
| 作者单位： | ZHANG Jun-hua，FANG Wei-wu Institute of Applied Mathematics，Academy of Mathematics and System Sciences，Chinese Academy of Sciences，Beijing 100080，China |
| |
| 基金项目： | National Natural Science Foundation of China(No. 69772 0 3 6and3 983 0 0 70 ) |
| |
| 摘 要： | 1 IntroductionIn questionnaire analysis,there are two important problems.One is called variableselection or assessment of question worth by which we mean a questionnaire that shouldconsist of those questions which are helpful to distinguish the respondents,in anotherword,a question should be discarded if it doesn′t offer sufficient information fordistinguishing the groups.The other is the problem of discriminant analysis,that is,anew respondent should be properly put into a certain group ba…
|
A New Statistic for Variable Selection in Questionnaire Analysis |
| |
| ZHANG Jun-hua,FANG Wei-wu Institute of Applied Mathematics,Academy of Mathematics and System Sciences,Chinese Academy of Sciences,Beijing ,China.A New Statistic for Variable Selection in Questionnaire Analysis[J].Journal of Systems Science and Systems Engineering,2001,10(3). |
| |
| Authors: | ZHANG Jun-hua FANG Wei-wu |
| |
| Institution: | Institute of Applied Mathematics, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100080, China |
| |
| Abstract: | In this paper, a new statistic is proposed for variable selection which is one of the important problems in analysis of questionnaire data. Contrasting to other methods, the approach introduced here can be used not only for two groups of samples but can also be easily generalized to the multi-group case. |
| |
| Keywords: | questionnaire variable selection information divergence statistic |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
