In simple linear regression a single independent variable is used to predict the value of a dependent variable. In multiple linear regression two or more independent variables are used to predict the value of a dependent variable. The difference between the two is the number of independent variables.
Watching for Systemic Symptoms. 1  1. Watch from swollen glands. Serious cases of cellulitis will spread beyond the initially infected region to become systemic and impact the rest of the body. 2  2. Notice if you experience fever and/or chills.
Cellulitis most commonly affects one of your legs, although symptoms can develop in any area of your body. If you have cellulitis, you may also find that blisters develop on your skin. Cellulitis can make you feel generally unwell, causing symptoms that develop before, or in combination with, changes to your skin.