[R] plot(summary) within quantreg package

From: <rocchini_at_unisi.it>
Date: Sun, 18 May 2008 14:47:30 +0200 (CEST)


Quantreg package allows to plot the summary of models derived by quantile regression at different taus.
The plot shows the parameters variation by varying taus: intercept and slope (for a linear model).
Together with these values even confidence intervals may be plotted, based on the threshold given within the summary (e.g. alpha=0.01 equals 99% CI). However the graphic even plots the mean of all the values as a red line
together with CI. I would like to remove such a useless information from the graphic.

Here the main code:
model<- rq(y~x,data=dataset, tau = 0.8:10/10) # here is the model model.summary<- summary(model)
plot(sfm) # this function plots the summary parameters together with a red line I would like to remove

Any help appreciated…
Duccio



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