influence.ssym {ssym}

Tool to perform sensitivity analysis on the fitted model using local influence measures.

Description

influence extracts from a object of class “ssym" the local influence measures and displays their graphs versus the index of the observations.

Author(s)

Luis Hernando Vanegas <[e-mail]> and Gilberto A. Paula

References

Cook, R.D. (1986). Assessment Local Influence (with discussion). Journal of the Royal Statistical Society Series B (Methodological). 48, 133-169.

Poon, W.Y. and Poon, Y.S. (1999). Conformal Normal Curvature and Assessment of Local Influence. Journal of the Royal Statistical Society Series B (Methodological). 61, 51-61.