Guillain-Barre Syndrome Overview. Guillain-Barre syndrome is a nerve disorder. It is an acute and rapidly progressive inflammation of nerves that causes loss of sensation and muscle weakness. This syndrome causes the destruction, removal, or loss of the myelin sheath of a nerve.
The value of a correlation coefficient ranges between -1 and 1. The greater the absolute value of a correlation coefficient, the stronger the linear relationship. The strongest linear relationship is indicated by a correlation coefficient of -1 or 1.
When we consider the relationship between two variables, there are three possibilities: 1  Both variables are categorical. We analyze an association through a comparison of conditional probabilities and graphically represent the data using contingency tables. 2  Both variables are quantitative.