I was trying "quantreg" package,
lm1 <- lm(y~x)
rq1 <- rq(y~x)
plot(summary(rq1)) #then got a warning says singular value, etc. but this
line can be omited
plot(lm1) #crash here
It happened every time on my PC, Windows XP Pro Serv. Pack 1, Pentium(4)
3.00G.
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