| 释义 |
product-momentCOCA⁵⁸⁵¹³BNC²³⁶²¹³⁺¹
基本例句
un.乘积矩；🌏动差
The data were analyzed by SPSS for descriptive statistics, t- test, one- way ANOVA, and Pearson product-moment correlation coefficient.
调查所得资料以 SPSS统计软体进行描述统计、 t考验、单因子变异数分析、皮尔森积差相关等统计方法处理。140.133.6.46
Aim To study the reason of the in sensitiveness of Pearson product-moment correlation coefficient as a similarity measure and the method to improve its sensitivity.
目的研究相似度的评价指标：相关系数的灵敏度低的原因及其改进的方法。 cnki |