Multiple regression equations designed to explain or predict should be validated. This tutorial shows how recalculation of the coefficient of determination on hold-out sample data or new sample data ...

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

The purpose of this tutorial is to continue our exploration of regression by constructing linear models with two or more explanatory variables. This is an extension of Lesson 9. I will start with a ...

VIDEO: It's easy to run a regression in Excel and you only need to understand a few data points to make sense of the results.

B. Johnston, C. Schwartz, The Analysis of an Unbalanced Paired Comparison Experiment by Multiple Regression, Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 26, No. 2 ...

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