search for: usrymx25

Displaying 8 results from an estimated 8 matches for "usrymx25".

2003 May 09
3
Re: R-help Digest, Vol 2, Issue 26
...Andy" <andy_liaw at merck.com> >Subject: [R] changing dir to network drive in Rgui caused crash > (1.7.0) >To: "'R-help at stat.math.ethz.ch'" <R-help at stat.math.ethz.ch> >Message-ID: > <3A822319EB35174CA3714066D590DCD5C4FA32 at usrymx25.merck.com> >Content-Type: text/plain; charset=iso-8859-1 > >Dear R-help, > >Has anyone experienced similar problem? On WinNT4(sp6), running Rgui from >1.7.0, when try to change directory to some network drive using the "File / >Change dir..." menu, Rgui gets a vis...
2003 Jul 21
4
generate a series of fucntion
Hi there, I want to generate a large amount of functions, say f=function(x,t) exp(-t[1]-t[2]*g_1(x)-t[3]*g_2(1+x)) where g_1(x) and g_2(x) are from a long list of moments, such as x, x^2, log(x), log(1+x) .. and so on. Any suggestions on how to do this efficiently? thanks a lot. x.w
2004 Apr 14
7
trend turning points
Hi, does anybody know of a nice test to detect trend turning points in time series? Possibly with reference? Thanks, joerg
2004 Aug 12
9
Giving a first good impression of R to Social Scientists
Dear all, in the coming Winter Semester, I will be a teaching assistant for a course in Survival Analysis. My job will be to do the lab sessions. The software used for these lab sessions will be R. Most of the students have a background in social sciences and the only stats package they used so far is most likely SPSS. So I assume they might be quite surprised the first time they see R
2004 Aug 27
1
selecting unique columns of a matrix/data frame
...9:43 -0400 > From: "Liaw, Andy" <andy_liaw at merck.com> > Subject: RE: [R] predict.mvr error message > To: "'Stewart T Chang'" <stchang at umich.edu>, r-help at stat.math.ethz.ch > Message-ID: > <3A822319EB35174CA3714066D590DCD504AF82AA at usrymx25.merck.com> > Content-Type: text/plain > > What version of R, what version of pls.pcr, and on what OS? Have you > checked whether your versions of software are up to date? I get: > > > n <- 1350 > > p <- 180 > > y <- rnorm(n) > > x <- matrix(...
2003 Jun 27
1
R-help Digest, Vol 4, Issue 27 ( -Reply)
...-0400 From: "Liaw, Andy" <andy_liaw at merck.com> Subject: RE: [R] Smooth of a time serie To: " 'Henrique Patr?cio Sant'Anna Branco' " <hpsbranco at superig.com.br>, r-help at stat.math.ethz.ch Message-ID: <3A822319EB35174CA3714066D590DCD50205C7CB at usrymx25.merck.com> Content-Type: text/plain; charset=iso-8859-1 Vellman & Hoaglin's "ABC of EDA" book has listing of Fortran program for that (and other) smoother. You can try to load that into R. Another thing you can try is to port things in the "smoothers" collection on...
2004 Aug 17
2
Re: Thanks Frank, setting graph parameters, and why social scientists don't use R
...>From: "Liaw, Andy" <andy_liaw at merck.com> >Subject: RE: [R] calibration/validation sets >To: "'Peyuco Porras Porras .'" <levin001 at 123mail.cl>, > R-help at stat.math.ethz.ch >Message-ID: > <3A822319EB35174CA3714066D590DCD504AF822D at usrymx25.merck.com> >Content-Type: text/plain > >There are many ways to do this. One example, supposing your data is in >`myData': > >## randomly pick 1/3 for validation: >valid.idx <- sample(nrow(myData), round(nrow(myData)/3), replace=FALSE) > >## training set: >my...
2004 Jul 12
0
Where does R search when source() ?
...8 -0400 | From: "Liaw, Andy" <andy_liaw at merck.com> | Subject: RE: [R] How to bring an Splus object into R | To: "'Victoria Landsman'" <msvika at mscc.huji.ac.il>, | r-help at stat.math.ethz.ch | Message-ID: | <3A822319EB35174CA3714066D590DCD504AF8013 at usrymx25.merck.com> | Content-Type: text/plain | | >From the `R Data Import/Export' manual, shipped with R, as well as available | from the official R web site (last three paragraphs of Section 3.1, | describing functions in the `foreign' package): | | Function read.S which can read binary obj...