Description Usage Arguments Value Author(s) References See Also Examples

Provides index plots of influence and related diagnostics for a regression model.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | ```
infIndexPlot(model, ...)
influenceIndexPlot(model, ...)
## S3 method for class 'lm'
infIndexPlot(model, vars=c("Cook", "Studentized", "Bonf", "hat"),
id=TRUE, grid=TRUE, main="Diagnostic Plots", ...)
## S3 method for class 'influence.merMod'
infIndexPlot(model,
vars = c("dfbeta", "dfbetas", "var.cov.comps",
"cookd"), id = TRUE, grid = TRUE, main = "Diagnostic Plots", ...)
## S3 method for class 'influence.lme'
infIndexPlot(model,
vars = c("dfbeta", "dfbetas", "var.cov.comps",
"cookd"), id = TRUE, grid = TRUE, main = "Diagnostic Plots", ...)
``` |

`model` |
A regression object of class |

`vars` |
All the quantities listed in this argument are plotted. Use |

`main` |
main title for graph |

`id` |
a list of named values controlling point labelling. The default, |

`grid` |
If TRUE, the default, a light-gray background grid is put on the graph. |

`...` |
Arguments passed to |

Used for its side effect of producing a graph. Produces index plots of diagnostic quantities.

Sanford Weisberg [email protected] and John Fox

Cook, R. D. and Weisberg, S. (1999)
*Applied Regression, Including Computing and Graphics.* Wiley.

Fox, J. (2016)
*Applied Regression Analysis and Generalized Linear Models*,
Third Edition. Sage.
Fox, J. and Weisberg, S. (2019)
*An R Companion to Applied Regression*, Third Edition, Sage.

Weisberg, S. (2014)
*Applied Linear Regression*, Fourth Edition, Wiley.

`cooks.distance`

, `rstudent`

,
`outlierTest`

, `hatvalues`

, `influence.mixed.models`

.

1 | ```
influenceIndexPlot(lm(prestige ~ income + education + type, Duncan))
``` |

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