帮忙解释下这些词……
correlation
参考答案:correlation
n.相关,对比,对射,对比,相关关系,相互关系;n.相关,关联
1[n] a statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other
2[n] a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); "what is the correlation between those two variables?"
3[n] a reciprocal relation between two or more things