皮尔逊相关系数：一种衡量两个变量之间线性关系强度的统计指标，取值范围为-1到1。
Pearson's correlation coefficient //
名词 a statistic measuring the linear relationship between two variables in a sample and used as an estimate of the correlation in the whole population, given by r = Cov (X, Y)/√[(Var(X).Var(Y)] 皮尔逊相关系数 (In full Pearson's product moment correlation coefficient)
皮尔逊相关系数
皮尔逊相关系数 Pearson's correlation coefficient皮尔逊相关系数 pearson-type frequency distributionn.皮尔逊型频率分布 .
... n k k k n k 上述样本相关系数r 常称为Pearson相关系数(Pearson's correlation coefficient),又叫线性相关系数。