Displaying 20 results from an estimated 131 matches for "matem".
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2008 Jul 03
1
Security tab is no longer available in Windows clients.
.... It does appear when I
right-click any local file.
The clients are running Windows XP Professional SP2 and the Samba server
is being running on a Solaris 10 system. The system is already using ACL.
Any suggestion?!
Greetings.
--
Miguel Da Silva
Administrador Junior de Sistemas Unix
Centro de Matem?tica - http://www.cmat.edu.uy
Facultad de Ciencias - http://www.fcien.edu.uy
Universidad de la Rep?blica - http://www.rau.edu.uy
2009 Nov 02
3
partial matching with grep()
...[1] "a.x" "b.x" "a.xx"
Instead, I would like to obtain only
"a.x" "b.x"
How is it possible to get this result with grep()?
many thanks for your attention,
best,
vito
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612
http://dssm.unipa.it/vmuggeo
2005 Apr 26
2
writing a data frame in excel format
...rary(RODBC);
conex<-odbcConnectExcel("fis_quim.xls");
sqlTables(conex);
data<-sqlFetch(conex,"hoja1");
Suppose I modify data and I want to save it as an excel file, How do
I do that?
Thanks for your help
Mario Alfonso Morales Rivera
Profesor Auxiliar.
Departamento de Matem??ticas y Estadistica.
Universidad de C??rdoba.
2008 Jun 30
2
difference between MASS::polr() and Design::lrm()
...7,557,584,599,517,649,584,463,591,488,563,553,549)
library(MASS)
library(Design)
summary(polr(factor(grade)~score))
lrm(factor(grade)~score)
It seems to me that results from lrm() are right..
Am I wrong?
Thanks,
vito
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612
http://dssm.unipa.it/vmuggeo
2006 Jul 17
2
Quantreg error
...~ ., model=TRUE, data=exo, tau=0.5 );
> summary(rq1)
Erro em rq.fit.fnb(x, y, tau = tau + h) :
Error info = 75 in stepy: singular design
Any hint about the problem?
Thanks a lot,
________________________________________
Ricardo Gon?alves Silva, M. Sc.
Apoio aos Processos de Modelagem Matem?tica
Econometria & Inadimpl?ncia
Serasa S.A.
(11) - 6847-8889
ricardosilva at serasa.com.br
**********************************************************************************
As informa??es contidas nesta mensagem e no(s) arquivo(s) anexo(s) s?o
endere?adas exclusivamente ?(s) pessoa(s) e/ou...
2007 Dec 06
1
differences in using source() or console
...n() does not work correctly.
In particular the non-working line inside myfun() is
update(eval(x$call$obj), data=d) #d is created in myfun()
My question is: why the problem occurs just via source()ing???
many thanks,
vito
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612
2008 May 02
1
error in using by + median
...-----------------------------------------------
INDICES: 1
V1 V2
-0.23682173 -0.01225147
> by(H[,-1],H[,1],median)
Error in median.default(data[x, , drop = FALSE], ...) : need numeric data
>
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612
http://dssm.unipa.it/vmuggeo
2010 Mar 04
1
only actual variable names in all.names()
...mple
all.vars(as.formula(y~poly(x,k)+z))
returns
[1] "y" "x" "k" "z"
and I would like to obtain
"y" "x" "z"
Where is the trick?
many thanks
vito
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 23895240
fax: 091 485726/485612
http://dssm.unipa.it/vmuggeo
2008 Jul 30
2
"posix locking = no" - is it dangerous?!
...that "posix locking = no" brought me an work around
to this problem.
But here comes a very serious issue: data consistency. And also, what
kind of negative impacts could affect the server?!
Suggestions?!
Greetings.
--
Miguel Da Silva
Administrador Junior de Sistemas Unix
Centro de Matem?tica - http://www.cmat.edu.uy
Facultad de Ciencias - http://www.fcien.edu.uy
Universidad de la Rep?blica - http://www.rau.edu.uy
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2014 Dec 17
2
optimización - resolver sistema - general
...ente:
>
> Por ejemplo, la librer?a limSolve, en la p?gina 4 del manual tiene:
>
> Blending
> A linear inverse blending problem
>
> El sitio web es:
> http://cran.r-project.org/web/packages/limSolve/limSolve.pdf
>
> El ejemplo en R est? "bueno", pero yo no soy matem?tico ni estad?stico,
> soy veterinario, por lo cu?l donde en este ejemplo dice m?nimo yo
> tambi?n tengo maximo y unas relaci?nes un poco m?s complejas, para
> continuar con el mismo ejemplo se encuentra todo lo que es nutrici?n
> animal y los distintos modelos para llevar a un lenguaje...
2010 Oct 25
1
building lme call via call()
...oes* evaluate the arguments:
> my.cc$random
$Subject
~age
> fm1$call$random
list(Subject = ~age)
How is it possible to get the right call (similar to the one from
fm1$call) by means of call()?
thanks,
vito
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 23895240
fax: 091 485726/485612
http://dssm.unipa.it/vmuggeo
2020 May 04
1
error in message printed by L-BFGS-B
...ck >= 10) info = -5;
/* i.e., to issue a warning if iback>10 in the line search. */
goto L999;
while lines 1784 and 1785 say
strcpy(task, "ERROR: NO FEASIBLE SOLUTION");
*info = -7;
Best regards,
*Profa. Dra. Taiane Schaedler PrassDepartamento de Estat?stica - Instituto
de Matem?tica e Estat?stica*
*Programa de P?s-Gradua??o em Estat?stica (PPGEst)*
*Universidade Federal do Rio Grande do Sul*
Av. Bento Gon?alves, 9500, Porto Alegre - RS - BRASIL - CEP: 91509-900
*https://www.ufrgs.br/ime/ <https://www.ufrgs.br/ime/>*
www.professor.ufrgs.br/tsprass
*"In order t...
2006 Jul 14
1
Error in Quantile Regression - Clear Message
...el.frame(formula, rownames, variables, varnames, extras,
extranames, :
invalid variable type for 'exo'
Any hint in how to fix it? I think this is due my data format.
Thanks,
________________________________________
Ricardo Gon?alves Silva, M. Sc.
Apoio aos Processos de Modelagem Matem?tica
Econometria & Inadimpl?ncia
Serasa S.A.
(11) - 6847-8889
ricardosilva at serasa.com.br
__________________
Hi,
I load my data set and separate it as folowing:
presu <- read.table("C:/_Ricardo/Paty/qtdata_f.txt", header=TRUE, sep="\t",
na.strings="NA", d...
2006 Nov 03
1
difference in using with() and the "data" argument in glm call
...envir, enclos) : object "y" not found
>
Could anyone to explain such difference? I believed that
"with(data,glm(formula))" and "glm(formula,data)" were equivalent.
Many thanks,
vito
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612
2007 Jul 11
3
3D plot and interactive PDFs
With version 8 of acrobat reader, it is now possible to have 3D in PDf documents.
Does it exist already an R package who manage to produce 3D plots which can be saved as interactive 3D graphs in a PDF file?
Best Regards
Bruno Cavestro
------------------------------------------------------
Leggi GRATIS le tue mail con il telefonino i-mode? di Wind
http://i-mode.wind.it/
2002 Sep 16
2
TclTk Again
...the following directories:
{ C:\tcl\lib\tcl8.3}
This probably means that Tcl wasn't installed properly.
Error in library(tcltk) : .First.lib failed
I'm using R Win 1.5.1 on a XP and Active Tcl 8.3.4.2
Thanks.
Ricardo Gon?alves Silva
Universidade de S?o Paulo-USP
Instituto de Ci?ncias Matem?ticas-ICMC
Departamento de Estat?stica
www.icmc.usp.br/~ricardo
www.macroeconometrics.hpg.com.br
---
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help&q...
2018 Mar 05
2
problema con shiny
...intenta mostrar los resultados pero si hago: print(environment(show)) da como resultado
Error in func(fname, ...) : app.R did not return a shiny.appobj object.
pero he mirado en internet el error y no consigo descifrar el problema.
¿Qué puede ser?
Saludos,
Juan
--
Juan Antonio Gil Pascual
Matemático, estadístico, especialista en Text Mining
correo: jmat1 en telefonica.net<mailto:jmat1 en telefonica.net><mailto:jmat1 en telefonica.net<mailto:jmat1 en telefonica.net>>
web: www.jgil.acta.es<http://www.jgil.acta.es><http://www.jgil.acta.es>
AVISO LEGAL. Este men...
2006 Jul 13
2
MLE and QR classes
...uot;, strip.white=TRUE)
dep<-presu[,3];
exo<-presu[,4:92];
Now, I want to use it using the wls and quantreg packages. How I change the
data classes for mle and rq objects?
Thanks a lot,
________________________________________
Ricardo Gon?alves Silva, M. Sc.
Apoio aos Processos de Modelagem Matem?tica
Econometria & Inadimpl?ncia
Serasa S.A.
(11) - 6847-8889
ricardosilva at serasa.com.br
**********************************************************************************
As informa??es contidas nesta mensagem e no(s) arquivo(s) anexo(s) s?o
endere?adas exclusivamente ?(s) pessoa(s) e/ou...
2014 Oct 10
2
Curso en R?
...09 de octubre de 2014 19:05
> Para: r-help-es en r-project.org
> Asunto: Re: [R-es] Curso en R?
>
> Estimada Lorena Tudela Marco
>
> En este momento no est disponible, pero yo realic el curso de
> statistical learning, por internet (edx cursos). Yo no soy estadistico,
> ni matem tico, mi carrera universitaria fue otra, y las discuci nes y
> ejemplos con R, acompa ado con un libro de los mismos autores del
> curso, me hicieron ver algo que supon a por intuici n y otras
> sorpresas. Creo que lo mejor es libro, l gicamente, si lo explican
> mejor, y si el libro ti...
2007 Nov 28
3
using names with functions..
...> update(o,formula=fo)
Error in eval(expr, envir, enclos) : could not find function "a.log"
>
How can fit the model? namely how can I use "a.log(z)" in the example above?
Many thanks,
vito
--
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Universit? di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612