Edward,
On Feb 5, 2008, at 4:25 AM, [EMAIL PROTECTED] wrote:
> Full_Name: Edward Huang
> Version: 2.6.1
> OS: Mac OS 10.5.1 Leopard
> Submission from: (NULL) (71.198.106.232)
>
>
> I'm trying to run quantile regression on my data. I just couldn't
> make it work.
> The same dataset ran okay on STATA 10, tho.
>
> Would you please take a look at it?
>
sure, gladly, if you send us the data (or any other way to reproduce
it) ...
BTW: this is a crash in a contributed package, so you should ask the
maintainer of the package and not file an R bug report.
Thanks,
Simon
> Here is the error message:
>
>
>
> *** caught segfault ***
> address 0x3ff00008, cause 'memory not mapped'
>
> Traceback:
> 1: .Fortran("rqbr", as.integer(n), as.integer(p), as.integer(n +
> 5),
> as.integer(p + 3), as.integer(p + 4), as.double(x), as.double(y),
> as.double(tau), as.double(tol), flag = as.integer(1), coef =
> double(p),
> resid = double(n), integer(n), double((n + 5) * (p + 4)),
> double(n),
> as.integer(nsol), as.integer(ndsol), sol = double((p + 3) *
> nsol), dsol
> = double(n * ndsol), lsol = as.integer(0), h = integer(p *
> nsol), qn =
> as.double(qn), cutoff = as.double(cutoff), ci = double(4 * p),
> tnmat =
> double(4 * p), as.double(big), as.logical(lci1), PACKAGE =
> "quantreg")
> 2: rq.fit.br(x, y, tau = tau, ...)
> 3: switch(method, fn = rq.fit.fn(x, y, tau = tau, ...), fnb =
> rq.fit.fnb(x,
> y, tau = tau, ...), fnc = rq.fit.fnc(x, y, tau = tau, ...), pfn =
> rq.fit.pfn(x, y, tau = tau, ...), br = rq.fit.br(x, y, tau =
> tau, ...),
> fcen = rq.fit.fcen(x, y, tau = tau, ...), lasso =
> rq.fit.lasso(x, y, tau
> = tau, ...), scad = rq.fit.scad(x, y, tau = tau, ...),
> { what <-
> paste("rq.fit.", method, sep = "") if (exists(what, mode =
> "function"))
> (get(what, mode = "function"))(x, y, ...) else
> stop(paste("unimplemented method:", method)) })
> 4: rq.fit(X, Y, tau = tau, method, ...)
>
> 5: rq(PAX ~ PFC + AA + UA + DL + CO + NW + US + Q931 + Q932 + Q933
> + Q934 +
> Q941 + Q942 + Q943 + Q944 + Q951 + Q952 + Q953 + Q954 + Q961 +
> Q962 + Q963 +
> Q964 + ATLBOS + ATLDEN + ATLDFW + ATLDTW + ATLEWR + ATLIAH +
> ATLJFK + ATLLAS
> + ATLLAX + ATLLGA + ATLMCO + ATLMIA + ATLMSP + ATLORD + ATLPHX +
> ATLPIT +
> ATLSEA + ATLSFO + ATLSTL + BOSDEN + BOSDFW + BOSDTW + BOSEWR +
> BOSIAH +
> BOSJFK + BOSLAS + BOSLAX + BOSLGA + BOSMCO + BOSMIA + BOSMSP +
> BOSORD +
> BOSPHX + BOSPIT + BOSSEA + BOSSFO + BOSSTL + DENDFW + DENDTW +
> DENEWR +
> DENIAH + DENJFK + DENLAS + DENLAX + DENLGA + DENMCO + DENMIA +
> DENMSP +
> DENORD + DENPHX + DENPIT + DENSEA + DENSFO + DENSTL + DFWDTW +
> DFWEWR +
> DFWIAH + DFWJFK + DFWLAS + DFWLAX + DFWLGA + DFWMCO + DFWMIA +
> DFWMSP +
> DFWORD + DFWPHX + DFWPIT + DFWSEA + DFWSFO + DFWSTL + DTWEWR +
> DTWIAH +
> DTWJFK + DTWLAS + DTWLAX + DTWLGA + DTWMCO + DTWMIA + DTWMSP +
> DTWORD +
> DTWPHX + DTWPIT + DTWSEA + DTWSFO + DTWSTL + EWRIAH + EWRJFK +
> EWRLAS +
> EWRLAX + EWRLGA + EWRMCO + EWRMIA + EWRMSP + EWRORD + EWRPHX +
> EWRPIT +
> EWRSEA + EWRSFO + EWRSTL + IAHJFK + IAHLAS + IAHLAX + IAHLGA +
> IAHMCO +
> IAHMIA + IAHMSP + IAHORD + IAHPHX + IAHPIT + IAHSEA + IAHSFO +
> IAHSTL +
> JFKLAS + JFKLAX + JFKLGA + JFKMCO + JFKMIA + JFKMSP + JFKORD +
> JFKPHX +
> JFKPIT + JFKSEA + JFKSFO + JFKSTL + LASLAX + LASLGA + LASMCO +
> LASMIA +
> LASMSP + LASORD + LASPHX + LASPIT + LASSEA + LASSFO + LASSTL +
> LAXLGA +
> LAXMCO + LAXMIA + LAXMSP + LAXORD + LAXPHX + LAXPIT + LAXSEA +
> LAXSFO +
> LAXSTL + LGAMCO + LGAMIA + LGAMSP + LGAORD + LGAPHX + LGAPIT +
> LGASEA +
> LGASFO + LGASTL + MCOMIA + MCOMSP + MCOORD + MCOPHX + MCOPIT +
> MCOSEA +
> MCOSFO + MCOSTL + MIAMSP + MIAORD + MIAPHX + MIAPIT + MIASEA +
> MIASFO +
> MIASTL + MSPORD + MSPPHX + MSPPIT + MSPSEA + MSPSFO + MSPSTL +
> ORDPHX +
> ORDPIT + ORDSEA + ORDSFO + ORDSTL + PHXPIT + PHXSEA + PHXSFO +
> PHXSTL +
> PITSEA + PITSFO + PITSTL + SEASFO + SEASTL + SFOSTL, tau = 0.5)
>
> Possible actions:
> 1: abort (with core dump, if enabled)
> 2: normal R exit
> 3: exit R without saving workspace
> 4: exit R saving workspace
>
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>
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