View source: R/DataFrame2Matrix4Regression.R

DataFrame2Matrix4Regression | R Documentation |

Prepares a matrix for regression from a data frame

```
DataFrame2Matrix4Regression(X, last = TRUE, Intercept = FALSE)
```

`X` |
A data frame |

`last` |
Logical to use the last category of nominal variabless as baseline. |

`Intercept` |
Logical to tell the function if a constant must be present |

Nominal variables are converted to a matrix of dummy variables for regression.

A matrix ready to use as independent variables in a regression

Jose Luis Vicente Vilardon

```
##---- Should be DIRECTLY executable !! ----
```

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