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521 discussions - 1,706 posts

  • Hi all, Below is a URL for an editorial published today in our local newspaper, the Minneapolis StarTribune. It was originally published in the Washington Post a couple of days ago ...
    Marc SchwartzMarc Schwartz
    Sep 2, 2005 at 1:18 pm
    Sep 7, 2005 at 2:06 pm
  • Hi everyone ! Could you please help me with this problem ? I??ve trying to write a code that assign to a variable the content from another, but all I??ve got is a message error. For example: if (age ...
    Carlos Maurício Cardeal MendesCarlos Maurício Cardeal Mendes
    Sep 13, 2005 at 1:29 pm
    Sep 15, 2005 at 12:47 pm
  • I'm looking for a Windows distribution of TeX that works with R, after a few years' absence from Windows. On Duncan Murdoch's Rtools page fptex is still recommended, but it turns out that fptex is ...
    Göran BroströmGöran Broström
    Sep 5, 2005 at 1:59 pm
    Sep 6, 2005 at 6:16 am
  • Dear R users, I have been having problems getting believable estimates from anova on a model fit from lmer. I get the impression that F is being greatly underestimated, as can be seen by running the ...
    Robert BagchiRobert Bagchi
    Sep 22, 2005 at 7:51 pm
    Oct 2, 2005 at 7:04 pm
  • scaling<-4 xywidth<-480 resolution<-150 png(filename = "c:/r/anschluss/plots/4.png", width = xywidth*scaling, height = xywidth*scaling,pointsize = 12, bg = "white", res = resolution*scaling) ..... ...
    Knut KruegerKnut Krueger
    Sep 1, 2005 at 7:51 pm
    Sep 2, 2005 at 4:03 pm
  • Hi, I am fairly new to GAM and started using package mgcv. I like the fact that optimal smoothing is automatically used (i.e. df are not determined a priori but calculated by the gam procedure). But ...
    Denis ChabotDenis Chabot
    Sep 26, 2005 at 4:25 pm
    Sep 29, 2005 at 10:20 am
  • Hello ! There is something quite simple I want to do with R but I found nowhere in the help how to do it. I just want to plot data which are in a matrix, every column being a data set and having the ...
    Stéphane MatteiStéphane Mattei
    Sep 7, 2005 at 1:28 pm
    Sep 9, 2005 at 4:19 pm
  • . I am looking for a histogram or box plot with the adding normal distribution curve I think that must be possible, but I am not able to find out how to do. Regards Knut
    Knut KruegerKnut Krueger
    Sep 25, 2005 at 12:34 pm
    Sep 27, 2005 at 1:54 pm
  • Hello, Is this a bug in the lmer routine? (1:3,each=2,6) Error in lmer(a ~ b + (1 | c/d)) : entry 0 in matrix[0,0] has row 2147483647 and column 2147483647 In addition: Warning message: / not ...
    Yan WongYan Wong
    Sep 16, 2005 at 3:57 pm
    Sep 20, 2005 at 10:16 am
  • Dear All, I have a vector x = (1,1,1,2,2,2,3,3,3,3) I am looking for a function to return a vector containing the distinct elements of x i,e y = (1,2,3) The following code gives the desired results ...
    Marc BernardMarc Bernard
    Sep 16, 2005 at 2:38 pm
    Sep 20, 2005 at 9:14 am
  • Hello, I would like to plot my data in a fashion similar to a boxplot, but plot the true data points without a box, just overlay lines of the summary generated by the boxplot. I have less than 10 ...
    Aric GregsonAric Gregson
    Sep 28, 2005 at 12:11 am
    Sep 29, 2005 at 10:19 am
  • Hi. I have been reading about the convenience of using least-squares means (a. k. a. adjusted means) in multiple comparisons (I used to resort to them when using SAS). I even read a post in this list ...
    Sep 16, 2005 at 11:25 am
    Sep 26, 2005 at 9:37 am
  • Hi! I'm trying to catch all warning-messages for special handling. It seems options (warning.expression=myfunc ()) can be used for that. However, the question is: How can I get at the actual warning ...
    Thomas FriedrichsmeierThomas Friedrichsmeier
    Sep 22, 2005 at 4:14 pm
    Sep 23, 2005 at 12:38 pm
  • Dear R-Help members, I have a question about how to save to the hard drive the one thousand datasets I generated in a simulation. The datasets are created in a "for" loop that repeatedly creates ...
    Sep 22, 2005 at 2:21 pm
    Sep 22, 2005 at 5:48 pm
  • Hello, has anybody got a simple recepie to test the significance level of the peaks after using spectrum() ? (R-version 2.0.1, linux SuSE9.3) -- ------------------------------------------------ ...
    Sebastian LeuzingerSebastian Leuzinger
    Sep 16, 2005 at 6:22 am
    Sep 22, 2005 at 11:02 am
  • Is there any neat way to add a curve (frequency function or the like) to a histogram or other plots? I haven't found one yet... Robert
    Robert LundqvistRobert Lundqvist
    Sep 20, 2005 at 1:53 pm
    Sep 21, 2005 at 10:11 pm
  • Hi, I'd like to use R to do what excel pivot tables do, and plot results. I've never used R before, and I've managed to do something, but it's quite a lot of code to do something simple. I can't help ...
    Sep 20, 2005 at 3:46 pm
    Sep 20, 2005 at 8:05 pm
  • Dear R-Users, given you have been teaching R to students (grad level, mainly social science background, no previous programming experience, 80% know SPSS), what are your experiences concerning the ...
    Rau, RolandRau, Roland
    Sep 19, 2005 at 1:25 pm
    Sep 20, 2005 at 10:22 am
  • Hi, I wonder if anyone has written any code to implement the suggestions of Smart et al (2004) in the Bulletin of the Ecological Society of America for a new way of graphically presenting the results ...
    Beale, ColinBeale, Colin
    Sep 14, 2005 at 10:40 am
    Sep 16, 2005 at 3:29 pm
  • I'm running R from an Xterm window is OSX-Tiger. Graphical windows appear as they should, but I'm having trouble copying from them--using cmd+c or the Copy option in the Edit menu won't place the ...
    Chris WiitaChris Wiita
    Sep 15, 2005 at 7:14 pm
    Sep 16, 2005 at 2:33 pm
  • I have what R seems to consider a very large dataset, a 12MB text file of lat,long,and height values, 130,000 rows to be exact. Here's what I get: Thomas Colson North Carolina State University ...
    Tom ColsonTom Colson
    Sep 15, 2005 at 6:08 pm
    Sep 16, 2005 at 1:12 pm
  • Hi, if I do Z<-rnorm(50) Followed by Dim(Z) I get NULL. Is this correct? Shouldn't I get 50 instead? TIA Chris DISCLAIMER:\ L'utilizzo non autorizzato del presente messagg...{{dropped}}
    Christian PrinothChristian Prinoth
    Sep 1, 2005 at 12:00 pm
    Sep 1, 2005 at 12:57 pm
  • I am relatively new to R so I am not confident enough in what I am doing to be certain this is a bug. I am running R 2.1.1 on a Windows XP machine and the lme4 package version 0.98-1. The following ...
    Mark LymanMark Lyman
    Sep 29, 2005 at 8:44 pm
    Oct 3, 2005 at 2:17 pm
  • Hi list, is there any direct way to obtain confidence intervals for the regression slope from lm, predict.lm or the like? (If not, is there any reason? This is also missing in some other statistics ...
    Christian HennigChristian Hennig
    Sep 29, 2005 at 11:18 am
    Oct 1, 2005 at 7:25 pm
  • Dear R-users, i'm a very newbie in linux, but decided to build R from source. Following the "R Installation and Administration" manual, i did this: ./configure --enable-R-shlib # this option is here ...
    Fernando MayerFernando Mayer
    Sep 27, 2005 at 3:42 pm
    Sep 28, 2005 at 4:19 pm
  • This code gives an error: a <- ts(1:10, start=0, freq) b <- ts(1:10, start=1, freq) ts.intersect(a,b) This one works normally (and correctly): a <- ts(1:10, start=0) b <- ts(1:10, start=1) ...
    Antonio, Fabio Di NarzoAntonio, Fabio Di Narzo
    Sep 21, 2005 at 11:59 am
    Sep 21, 2005 at 5:10 pm
  • + if(nchar(pkg)) library(pkg, character.only=TRUE)}) Error in if (RWinEdtVersion) RWinEdtVersion <- scan(file.path(InstallRoot, : argument is of length zero Error: .onAttach failed in ...
    Sep 21, 2005 at 11:50 am
    Sep 21, 2005 at 2:54 pm
  • Dear all, I have come across some Windows Script code which calls the "file.exists" function in R to check for the existence of a particular file on an R server. This is what the code looks like: do ...
    Tomas AnderssonTomas Andersson
    Sep 19, 2005 at 2:46 pm
    Sep 19, 2005 at 10:39 pm
  • my problem actually arised with fitting the data to the weibulldistribution, where it is hard to see, if the proposed parameterestimates make sense ...
    Nadja RiedwylNadja Riedwyl
    Sep 6, 2005 at 5:22 pm
    Sep 16, 2005 at 10:36 am
  • How can I determine whT OS I am running under? if WINDOWS do this if LINUX do that
    Omar LakkisOmar Lakkis
    Sep 13, 2005 at 6:29 pm
    Sep 13, 2005 at 8:32 pm
  • Dear R list, I have installed R 2.1.1 for Windows. In the help menu of the Rgui I can load all manuals except the reference manual. I downloaded the reference manual from the cran-site separately and ...
    Alvarez PedroAlvarez Pedro
    Sep 2, 2005 at 10:59 am
    Sep 2, 2005 at 2:37 pm
  • Dear users, does any one have a code (S or R) to compute the binormal distribution (or the upper its quadrant area) other than the pmvnorm. Thanks -- Nabil Channouf etudiant en Ph.D. Bureau 3733 ...
    Nabil ChannoufNabil Channouf
    Sep 28, 2005 at 9:12 pm
    Oct 3, 2005 at 7:49 am
  • Dear All, How can I can to know a mail list , to speak about exclusively statistic. Thanks. Espacio para todos tus mensajes, antivirus y antispam ??gratis!
    José Raul CapablancaJosé Raul Capablanca
    Sep 30, 2005 at 4:47 am
    Oct 1, 2005 at 5:17 pm
  • Hi all. I have a numerical function f(x), with x being a vector of generic size (say k=4), and I wanna take the numerically computed gradient, using deriv or numericDeriv (or something else). My ...
    Antonio, Fabio Di NarzoAntonio, Fabio Di Narzo
    Sep 25, 2005 at 9:37 am
    Sep 27, 2005 at 1:27 pm
  • Dear R-users, I have the following data x <- runif(300,min=1,max#0) y <- x*0.005 + 0.2 y <- y+rnorm(100,mean=0,sd=0.1) y <- y%%1 # <------- modulo operation plot(x,y) and would like to recapture the ...
    Sep 26, 2005 at 1:41 pm
    Sep 27, 2005 at 8:59 am
  • Dear All, I have a question regarding best practise in setting up a XML parser within R. Because I have files with more than 100 MB and I'm only interested in some values I think a SAX-like parser ...
    Jan HummelJan Hummel
    Sep 21, 2005 at 6:43 am
    Sep 26, 2005 at 2:13 pm
  • Hi, I am new the R world and would like to know how can I access source codes of standard functions in R? Thanks, Ritesh.
    Sep 22, 2005 at 12:31 am
    Sep 22, 2005 at 12:55 pm
  • Hi, I'm trying to find out what threshold of indicator value in labadsv should be used to accept a specie as an indicator one? So far I assumed that indval=0.5 is high enough to avoid any mistakes ...
    Sep 19, 2005 at 7:41 am
    Sep 19, 2005 at 5:04 pm
  • Hi, I was wondering if it's possible to get the row numbers from a filtering. Here's an example: # give me the rows with sepal.length == 6.2 iris[(iris[,1]==6.2),] # output Sepal.Length Sepal.Width ...
    Martin LamMartin Lam
    Sep 16, 2005 at 5:34 pm
    Sep 16, 2005 at 6:05 pm
  • I have used Sweave a lot the latest year, but never really used any long function calls. If I have code which look like this ------------------------------------------------------------- gof <- ...
    Henrik AnderssonHenrik Andersson
    Sep 14, 2005 at 8:14 am
    Sep 15, 2005 at 8:48 am
  • I need to read data from from a medical appliance via the serial port. This medical appliance produces streams of set data at regular intervals. What commands, packages are available for this ...
    Sep 13, 2005 at 4:07 pm
    Sep 14, 2005 at 12:15 pm
  • Is there a way to test if a library has been loaded? is.loaded does not give me what I want, I am looking to say: if loaded(Rdbi) dbSendQuery(conn, q) if loaded(RODBC) sqlQuery(conn, q) I need this ...
    Omar LakkisOmar Lakkis
    Sep 13, 2005 at 7:09 pm
    Sep 14, 2005 at 8:40 am
  • I have been trying to open data that I have saved in an excel spread sheet. I saved it as a csv. Then I tried using the read.csv command. However, everytime I do this-- ...
    Sloan jonesSloan jones
    Sep 12, 2005 at 6:58 pm
    Sep 13, 2005 at 2:10 pm
  • In short: I didn't take enough stats courses in college. Now I am working on scientific research and I feel somewhat lost when it comes to designing the statistical framework. I have looked through ...
    Joshua N PritikinJoshua N Pritikin
    Sep 12, 2005 at 12:15 pm
    Sep 13, 2005 at 9:24 am
  • Dear All, I would be grateful if you can help me. My problem is the following: I have a data set like: ID time X1 X2 1 1 x111 x211 1 2 x112 x212 2 1 x121 x221 2 2 x122 x222 2 3 x123 x223 where X1 and ...
    Marc BernardMarc Bernard
    Sep 8, 2005 at 4:17 pm
    Sep 10, 2005 at 5:27 pm
  • The purpose of this email is to ask for pre-built procedures or techniques for smoothing and interpolating missing time series data. I've made some headway on my problem in my spare time. I started ...
    David JamesDavid James
    Sep 8, 2005 at 12:24 am
    Sep 9, 2005 at 9:10 pm
  • Hello everybody, I'm a new user of R and I'm working right now with the ACE function from the acepack library. I Have a question: Is there a way to predict new responses using ACE? What I mean is ...
    Luis PinedaLuis Pineda
    Sep 6, 2005 at 7:33 pm
    Sep 8, 2005 at 6:00 pm
  • If I use the following command to plot points: plot(c(1,2,2,3,3,3), type="p", pch , ylab="Y Label", xlab="X Label", xaxt="n") there is a large amount of space between the label "X Label" and the ...
    Jamieson CobleighJamieson Cobleigh
    Sep 1, 2005 at 1:05 pm
    Sep 6, 2005 at 10:13 pm
  • Hi, all! Anyone know an easy way to specify the following model. Panel dataset, with stock through time, by firm. I want to run a model of y on a bunch of explanatory variables, and one dummy for ...
    Tobias MuhlhoferTobias Muhlhofer
    Sep 5, 2005 at 1:03 pm
    Sep 5, 2005 at 7:11 pm
  • Hi all, I've been trying to get a large (12mb) Stata survey database into R. I managed that, but when I attach survey weights, something goes wrong. The error message is: object dchina not found ...
    A DasA Das
    Sep 4, 2005 at 12:58 am
    Sep 4, 2005 at 6:45 pm
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521 users for September 2005

Uwe Ligges: 53 posts Gabor Grothendieck: 50 posts Spencer Graves: 46 posts Peter Dalgaard: 41 posts Prof Brian Ripley: 41 posts Thomas Lumley: 35 posts Duncan Murdoch: 30 posts Ted Harding: 27 posts Martin Maechler: 25 posts Vincent: 22 posts Dimitris Rizopoulos: 21 posts Douglas Bates: 21 posts Marc Schwartz (via MN): 21 posts Roger Bivand: 21 posts Dieter Menne: 18 posts Petr Pikal: 18 posts Deepayan Sarkar: 16 posts Sundar Dorai-Raj: 16 posts Achim Zeileis: 14 posts Huntsinger, Reid: 14 posts
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