Description Usage Format Details Source References

The `diabetes`

data frame has 442 rows and 3 columns. These are the data used in the Efron et al. "Least Angle Regression" paper and is also available in the `lars`

package.

1 |

This data frame consists of the following columns:

`x`

:is a design matrix with 10 columns (no interactions).

`y`

:is a numeric vector.

`x2`

:is a design matrix with 64 columns (includes interactions.

The x matrix has been standardized to have unit L2 norm in each column and zero mean. The matrix x2 consists of x plus certain interactions.

https://cran.r-project.org/web/packages/lars/

Efron, B., Hastie, T., Johnstone, I., and Tibshirani, R. (2003). "Least Angle Regression" (with discussion). *Annals of Statistics*, **32**(2): 407-499.

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