Age regression occurs when someone reverts to a younger state of mind. This retreat may be only a few years younger than the person’s physical age. It could also be much younger, into early childhood ...

Autistic regression refers to a loss of previously acquired skills or a backtracking of developmental milestones. In young children, it may represent autism onset. In older children and adults, it may ...

In recent columns we showed how linear regression can be used to predict a continuous dependent variable given other independent variables 1,2. When the dependent variable is categorical, a common ...