Definition of correlation coefficient. : a number or function that indicates the degree of correlation between two sets of data or between two random variables and that is equal to their covariance divided by the product of their standard deviations.
Dekulakization (Russian ÑÐ°ÑÐºÑÐ»Ð°ÑÐ¸Ð²Ð°Ð½Ð¸Ðµ, raskulachivanie, Ukrainian ÑÐ¾Ð·ÐºÑÑÐºÑÐ»ÐµÐ½Ð½Ñ, rozkurkulennia) was the Soviet campaign of political repressions, including arrests ... A combination of dekulakization, collectivization, and other repressive policies led to mass starvation in many parts of the Soviet Union and the death of at least 14.5 million peasants ...
Phenylketonuria (PKU) can be defined as a rare metabolic disorder caused by a deficiency in the production of the hepatic (liver) enzyme phenylalanine hydroxylase (PAH). PKU is the most serious form of a class of diseases referred to as hyperphenylalaninemia, all of which involve above normal (elevated) levels of phenylalanine in the blood.