The probable error of a correlation coefficient obtained from a sample of n pairs of observations is sqrt((1-r²)/(n-2)).
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
技术不算什么。重要的是你相信人，相信他们本质上是善良和聪明的，如果你给他们工具，他们会用这些工具做出奇妙的事情。
"Inclusion is not an initiative, it's how we do business every day."
Leadership is about making tough decisions today that will benefit generations to come.
人生是一堂漫长的谦卑课。
The artist must be a child of the infinite.
让我们团结起来，为国家的独立和人民的自由而战。