Now that you've got a good sense of how to 'speak' R, let's use it with linear regression to make distinctive predictions.

The bottom line is this: You cannot meaningfully compare the size of the regression coefficients to assess the most important effect—it is an apples-and-oranges comparison.

Research on multiple comparison during the past 50 years or so has focused mainly on the comparison of several population means. Several years ago, Spurrier considered the multiple comparison of ...

Further statistics in dentistry: In order to introduce the concepts underlying multiple linear regression, it is necessary to be familiar with and understand the basic theory of simple linear ...

Discover how linear regression works, from simple to multiple linear regression, with step-by-step examples, graphs and real-world applications.

The problem of assessing influence and detecting influential cases in multiple linear regression with incomplete data is considered. A case is said to be influential if appreciable changes in fitted ...