Decision Points Decision Points Decision Points is a memoir by former U.S. President George W. Bush. It was released on November 9, 2010, and the release was accompanied by national television appearances and a national tour. The book surpassed sales of two million copies less than two months after its release, breaking the record previously held by former President Bill Clinton's memoir "My Life". "Decision Points" also opened at #1 on the "New York Times" bestseller list. Bush's 481-page memoir is broken up into 14 chapters. The first two chapters are about his life before the presidency. The first chapter is about
Information gain in decision trees Information gain in decision trees In information theory and machine learning, information gain is a synonym for "Kullback–Leibler divergence"; the amount of information gained about a random variable or signal from observing another random variable. However, in the context of decision trees, the term is sometimes used synonymously with mutual information, which is the conditional expected value of the Kullback–Leibler divergence of the univariate probability distribution of one variable from the conditional distribution of this variable given the other one. The information gain of a random variable "X" obtained from an observation of a random variable "A" taking value is