âAt the very least, helicopter parents want to know what the university is doing to help their children thrive.â âShe talks about helicopter parents, only a call away, and to the practice of turning to parents and others by phone for support with assignments.â âWorking fairly closely with UVA's professional school population over the last 5 years, I have seen countless helicopter parents.â
Linear regression. In statistics, linear regression is an approach for modeling the relationship between a scalar dependent variable y and one or more explanatory variables (or independent variables) denoted X. The case of one explanatory variable is called simple linear regression.
Linear model. In statistics, the term linear model is used in different ways according to the context. The most common occurrence is in connection with regression models and the term is often taken as synonymous with linear regression model. However, the term is also used in time series analysis with a different meaning. In each case, the designation linear is used to identify a subclass of models for which substantial reduction in the complexity of the related statistical theory is possible.