Comments on: when perfect correlation just means… perfect!
https://xianblog.wordpress.com/2018/02/06/when-perfect-correlation-means-perfect/
an attempt at bloggin, nothing more...Tue, 06 Feb 2018 14:00:51 +0000
hourly
1 http://wordpress.com/
By: xi'an
https://xianblog.wordpress.com/2018/02/06/when-perfect-correlation-means-perfect/comment-page-1/#comment-176398
Tue, 06 Feb 2018 14:00:51 +0000http://xianblog.wordpress.com/?p=35352#comment-176398Thanks Jochen!, this is also my impression.
]]>
By: Jochen Voss
https://xianblog.wordpress.com/2018/02/06/when-perfect-correlation-means-perfect/comment-page-1/#comment-176394
Tue, 06 Feb 2018 11:27:53 +0000http://xianblog.wordpress.com/?p=35352#comment-176394I seem to remember that, for any two random variables X and Y, |Cov(X,Y)|=1 implies that either X = aY+b or Y=aX+b. Maybe this can be used to simplify and generalise the argument?
]]>