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.

you might use regression analysis to find out how well you can predict a child's weight if you know that child's height. The following data are from a study of nineteen children. Height and weight are ...

Figure 1: Observations near the mean have less influence on the regression estimates and fitted values. Note that this adjustment also affects the SSE ... them may be as simple as removing ...

Figure 1: Scatter plot showing an outcome variable (blood pressure) on the y-axis and explanatory variable (age) on the x-axis, with regression line through the plots. Credit: Technology Networks.