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.
Symptoms and features of the condition. One of the major features of Bardet-Biedl syndrome is loss of vision. Loss of vision occurs as the retina, that is the light sensing tissue or layer at the back of the eye, fails gradually. The problems appear initially as difficulty in seeing in the dark. This is seen in childhood as a slow onset condition.