Description Usage Format Source

This dataset was originally presented in Table 5.1 of Williams (1959) where two non-nested linear regression models were considered.

1 |

A data frame with 42 rows and three variables:

- y
Maximum compression strength (response) in pounds per square inch

- x1
Density (predictor 1) in pounds per cubic foot

- x2
Adjusted density (predictor 2) in pounds per cubic foot

E. Williams. Regression analysis. Wiley, 1959.

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