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))。
"A story is never finished, only abandoned."
Technology is a tool, humanity is the core.
Cinema should make you forget you are sitting in a theater.
I'm lucky to be part of a team who help to make me look good, and they deserve as much of the credit for my success as I do.