Fitting a regression equation (model) Building a Bivariate linear regression model to represent the relationship between two variables by a straight line involves determining the coefficients of that line, a process known as fitting the regression line.
Signs and symptoms of blind loop syndrome often include: 1  Loss of appetite. 2  Abdominal pain. 3  Nausea. Bloating.  An uncomfortable feeling of fullness after 1  eating. Diarrhea.  Unintentional weight loss.
By Mayo Clinic Staff. Blind loop syndrome occurs when part of the small intestine forms a loop that food bypasses during digestion. The presence of this blind loop means food may not move normally through the digestive tract. Slowly moving food and waste products become a breeding ground for bacteria.