noun
R
A way to see if two things change together. If they change the same way, the covariance is positive. If they change opposite ways, it's negative. If they don't change together, it's zero.
We noticed a positive covariance between the number of hours studied and test scores.
我们注意到学习时间和考试成绩之间存在正相关。
R
It's like seeing how two things move together. If they move the same way, it's similar. This can help us understand how things are connected.
The covariance of two stocks can show if they tend to go up or down together.
两只股票的协方差可以显示它们是否倾向于一起上升或下降。
translation
协方差, 协变
词形变化
Plural
covariances