> sessionInfo() R version 2.7.1 (2008-06-23) i386-pc-mingw32 locale: LC_COLLATE=English_United States.1252;LC_CTYPE=English_United States.1252;LC_MONETARY=English_United States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
attached base packages: [1] stats grDevices utils datasets graphics methods base > x <- rnbinom(100, mu = 10, size = 10) > hdev <- function(par) { + -sum(dnbinom(x, mu = par[1], size = par[2], log = TRUE)) + } > nlminb(c(9, 12), hdev) $par [1] 9.50000 7.33456 $objective [1] 291.1192 $convergence [1] 0 $message [1] "relative convergence (4)" $iterations [1] 10 $evaluations function gradient 12 27 2008/7/3 Peng Jiang <[EMAIL PROTECTED]>: > Hi, Jim > thanks for your reply, I tried the scripts it still does not give any > response on my mac. I have to stop in manually. > what is your sessionInfo ? Thanks again. > On 2008-7-3, at 上午10:10, jim holtman wrote: > >> I ran you script and it came back in less than 1 second: >> >>> x <- rnbinom(100, mu = 10, size = 10) >>> hdev <- function(par) { >> >> + -sum(dnbinom(x, mu = par[1], size = par[2], log = TRUE)) >> + } >>> >>> nlminb(c(9, 12), hdev) >> >> $par >> [1] 9.760001 13.802305 >> >> $objective >> [1] 278.9434 >> >> $convergence >> [1] 0 >> >> $message >> [1] "relative convergence (4)" >> >> $iterations >> [1] 11 >> >> $evaluations >> function gradient >> 12 31 >> >>> >> >> >> >> On Wed, Jul 2, 2008 at 8:41 PM, Peng Jiang <[EMAIL PROTECTED]> wrote: >>> >>> Hi, dear R experts , >>> I am new. I met this problem when I am trying to learn how to use >>> the nlminb() function. I tried the example which the document >>> provides ( as the following code ) and R gives no response . I don't >>> know whether it is running or not and it takes a very long time but >>> still output nothing so I just close the session window. my question >>> is is there any method that I can see the running status of a R >>> program or what can I do if R gives no response??? thank you in advance. >>> here is my sessionInfo >>> >>> i386-apple-darwin8.10.1 >>> >>> locale: >>> zh_CN.UTF-8/zh_CN.UTF-8/C/C/zh_CN.UTF-8/zh_CN.UTF-8 >>> >>> attached base packages: >>> [1] stats graphics grDevices utils datasets methods base >>> >>> other attached packages: >>> [1] mclust_3.1-5 >>> x <- rnbinom(100, mu = 10, size = 10) >>> hdev <- function(par) { >>> -sum(dnbinom(x, mu = par[1], size = par[2], log = TRUE)) >>> } >>> nlminb(c(9, 12), hdev) >>> ----------------------------------------------- >>> Peng Jiang 江鹏 ,Ph.D. Candidate >>> Antai College of Economics & Management >>> 安泰经济管理学院 >>> Department of Mathematics >>> 数学系 >>> Shanghai Jiaotong University (Minhang Campus) >>> 800 Dongchuan Road >>> 200240 Shanghai >>> P. R. China >>> >>> >>> [[alternative HTML version deleted]] >>> >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >>> >>> >> >> >> >> -- >> Jim Holtman >> Cincinnati, OH >> +1 513 646 9390 >> >> What is the problem you are trying to solve? > > ----------------------------------------------- > Peng Jiang 江鹏 ,Ph.D. Candidate > Antai College of Economics & Management > 安泰经济管理学院 > Department of Mathematics > 数学系 > Shanghai Jiaotong University (Minhang Campus) > 800 Dongchuan Road > 200240 Shanghai > P. R. China > > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.