rpart-internal | R Documentation |

Internal functions, only used by packages rpart and ipred.

```
pred.rpart(fit, x)
rpart.anova(y, offset, parms, wt)
rpart.class(y, offset, parms, wt)
rpart.matrix(frame)
rpart.poisson(y, offset, parms, wt)
rpartco(tree, parms)
```

`fit` |
a tree fitted by |

`x` |
a matrix of predictors. |

`y` |
the responses. |

`offset` |
an offset, or |

`parms` |
a list of parameters, usually empty. |

`wt` |
case weights. |

`frame` |
model frame (from call to |

`tree` |
a tree fitted by |

For `rpartco`

the x,y plotting coordinates of the nodes.

`rpart.anova`

, `rpart.class`

and
`rpart.poisson`

return a list with components

`y` |
(adjusting for |

`parms` |
as input, |

`numresp` |
the number of responses, |

`summary` |
a function to be invoked by |

`text` |
a function to be invoked by |

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