vector correlation coefficient

例句：

1. 1. The correlation coefficient between the two variables is 0.85, indicating a strong positive relationship.
   这两个变量的相关系数为0.85，表明它们之间存在很强的正相关关系。
2. 2. The researchers found that the correlation coefficient was not significant, suggesting that there was no direct relationship between the variables.
   研究人员发现相关性系数不显著，这表明两个变量之间没有直接的关系。
3. 3. The correlation coefficient helps us understand how well the variables are related to each other and canbe used to predict future outcomes based on past data.
   相关性系数帮助我们了解变量之间的关联程度，并可以根据过去的数据预测未来的结果。