Difference between revisions of "KL Divergence"

From Cohen Courses
Jump to navigationJump to search
 
Line 1: Line 1:
Its a metric which is used to measure the similarity between two probability distribution "P" and "Q".
+
Its a metric which is used to measure the similarity between two probability distribution ''P'' and ''Q''.
  
 
For probability distributions ''P'' and ''Q'' of a discrete random variable
 
For probability distributions ''P'' and ''Q'' of a discrete random variable

Latest revision as of 00:54, 1 April 2011

Its a metric which is used to measure the similarity between two probability distribution P and Q.

For probability distributions P and Q of a discrete random variable their K–L divergence is defined to be