One plot is currently available: a plot of residuals against fitted values.
Object of class
further arguments passed to
plot.forwardibr give an image plot of the
values of the criterion obtained by the forward selection process. Image
is read from the bottom to the top. At the bottom row, there are all the
univariate models and the selected variable is given by the lowest
criterion. This variable is selected for the second row. At the second
(bottom) row the second variable included is those which give the lowest
criterion for this row etc. All the variables included in the final
model (selected by forward search) are numbered on the image (by order of
Pierre-Andre Cornillon, Nicolas Hengartner and Eric Matzner-Lober.
Cornillon, P.-A.; Hengartner, N.; Jegou, N. and Matzner-Lober, E. (2012) Iterative bias reduction: a comparative study. Statistics and Computing, 23, 777-791.
Cornillon, P.-A.; Hengartner, N. and Matzner-Lober, E. (2013) Recursive bias estimation for multivariate regression smoothers Recursive bias estimation for multivariate regression smoothers. ESAIM: Probability and Statistics, 18, 483-502.
Cornillon, P.-A.; Hengartner, N. and Matzner-Lober, E. (2017) Iterative Bias Reduction Multivariate Smoothing in R: The ibr Package. Journal of Statistical Software, 77, 1–26.
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