search for: matem

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 ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.
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