From: <AndiBuck_at_gmx.de>

Date: Thu 25 May 2006 - 20:40:59 EST

qr<-rq(x~y+z , tau=c(0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9)) plot.summary.rqs(summary(qr),alpha=0.1,ols=TRUE)

Date: Thu 25 May 2006 - 20:40:59 EST

Hello everybody!

I am currently using the quantreg package on R 2.2.1. for my diploma thesis and want to create plots with plot.summary.rqs, which should work like this:

Usage:

plot.summary.rqs(x, nrow=3, ncol=2, alpha = 0.1, ols = TRUE, ...)

Arguments:

x: an object produced by rq() fitting

nrow: rows in mfrow

ncol: columns in mfrow

alpha: alpha level of confidence bands

ols: if TRUE, plot ols coefs and their error band

...: optional arguments to plot

But I don't get the plotting of the ordinary least squares coefficients and error bands for my data... It also doesn't work if I create phantasy data like this:

x<-rnorm(100) y<-rnorm(100)/2 z<-rnorm(100)+2.5

qr<-rq(x~y+z , tau=c(0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9)) plot.summary.rqs(summary(qr),alpha=0.1,ols=TRUE)

Can anybody help me out?

Thank you!

Andreas

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