In this article, you'll learn the basics of simple linear regression, sometimes called 'ordinary least squares' or OLS regression—a tool commonly used in forecasting and financial analysis. We ...

Time series regression usually involves independent variables other than a time-trend. However, the simple time-trend model is convenient for illustrating regression with autocorrelated errors, and ...

None of the regression methods implemented in the PLS procedure fit the observed data any better than ordinary least squares (OLS) regression; in fact, all of the methods approach OLS as more ... This ...