not reproducible.

On Tue, Oct 7, 2008 at 11:35 AM, dimitris kapetanakis <[EMAIL PROTECTED]> wrote:
>
> Dear all,
>
> I am running a code using bootstraps for estimating standard errors but the
> mac crashes. When I use small number of bootstraps (100) it works fine but
> if I increase that number it crashes.
>
> Thanks in advance
>
> dimitris
>
> The code, the error and my mac characteristics are the following:
>
> ##############code#####################
> qr.1<- rq(y~factor(year)+factor(state)+x1+I(x^2)+I(x^3), tau=0.05,
> data=data1)
>
> s.qr1.05 <- summary(qr.1, se="boot", R=1000)$coefficient
>
> ##############error#####################
>
>  *** caught segfault ***
> address 0x1de9e000, cause 'memory not mapped'
>
> Traceback:
>  1: .Fortran("xys", as.integer(m), as.integer(n), as.integer(p),
> as.integer(R), as.integer(m + 5), as.integer(p + 2), as.double(x),
> as.double(y), as.double(tau), as.double(tol), flag = integer(R),     coef =
> double(p * R), resid = double(m), integer(m), double((m +         5) * (p +
> 2)), double(m), xx = double(m * p), yy = double(m),     as.integer(s),
> PACKAGE = "quantreg")
>  2: boot.rq.xy(x, y, s, tau)
>  3: boot.rq(x, y, tau, ...)
>  4: summary.rq(qr.05.nox, se = "boot", R = 1000)
>  5: summary(qr.05.nox, se = "boot", R = 1000)
>
> Possible actions:
> 1: abort (with core dump, if enabled)
> 2: normal R exit
> 3: exit R without saving workspace
> 4: exit R saving workspace
> Selection:
>
> ###############characteristics#####################
> Mac OS X
>
> version 10.5.4
>
> Model Name:     MacBook
>  Model Identifier:     MacBook4,1
>  Processor Name:       Intel Core 2 Duo
>  Processor Speed:      2.4 GHz
>  Number Of Processors: 1
>  Total Number Of Cores:        2
>  L2 Cache:     3 MB
>  Memory:       4 GB
>  Bus Speed:    800 MHz
>  Boot ROM Version:     MB41.00C1.B00
>
>
>
>
>
> --
> View this message in context: 
> http://www.nabble.com/Mac-crash--Probably-memory-problem-tp19860892p19860892.html
> Sent from the R help mailing list archive at Nabble.com.
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Stephen Sefick
Research Scientist
Southeastern Natural Sciences Academy

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

                                                                -K. Mullis

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