Grokbase Groups R r-help June 2008
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855 discussions - 2,781 posts

  • Hi everyone! I have a question about data processing efficiency. My data are as follows: I have a data set on quarterly institutional ownership of equities; some of them have had recent IPOs, some ...
    Daniel FolkinshteynDaniel Folkinshteyn
    Jun 5, 2008 at 6:09 pm
    Jun 7, 2008 at 2:32 am
  • Dear Sir/Madam, I found your email address and your correspondence with R-users. I hope you could help me with this question about the function "ur.ers" in the package of "urca". It is an improved ...
    Xu, Ke-LiXu, Ke-Li
    Jun 24, 2008 at 1:52 am
    Oct 19, 2009 at 9:32 am
  • R 2.7.0, WinXP Hi list, I have written some code in R that I would like to share with others who are not R-users. Is there a way to compile the code so it will run outside of R? The best thing would ...
    Roger LeendersRoger Leenders
    Jun 24, 2008 at 6:01 pm
    Jun 25, 2008 at 8:23 pm
  • I am wondering if people on the list could recommend books that they have found helpful about programming concepts and style? I often find that students write R programs by copying existing code but ...
    Murray JorgensenMurray Jorgensen
    Jun 20, 2008 at 2:35 am
    Jun 23, 2008 at 1:08 pm
  • Hi I have recently been analyzing birthweight data from a clinic. The data has obvious defects in that there is digit preference on certain weights making them overrepresented. This shows as spikes ...
    Thomas FrööjdThomas Frööjd
    Jun 23, 2008 at 7:40 pm
    Jul 8, 2008 at 3:41 pm
  • Hi all, I have a matrix called 'data', which looks like: Probe_ID Gene_Symbol M1601 M1602 1 A_23_P105862 13CDNA73 -1.6 0.16 2 A_23_P76435 15E1.2 0.18 0.59 3 A_24_P402115 15E1.2 1.63 -0.62 4 ...
    SsSs
    Jun 12, 2008 at 8:42 pm
    Jun 13, 2008 at 7:33 am
  • Hello, I have the next function call: lme(fixed=Error ~ Temperature * Tumour ,random = ~1|ID, data=error_DB) which returns an lme object. I am interested on carrying out some kind of lsmeans on the ...
    Dani ValverdeDani Valverde
    Jun 6, 2008 at 3:05 pm
    Jun 9, 2008 at 6:09 am
  • Dear all; I'm planning to install Linux on my computer to run R (I'm bored of W..XP). However, I haven't used Linux before and I would appreciate, if possible, suggestions/comments about what could ...
    Steven wilsonSteven wilson
    Jun 6, 2008 at 6:13 pm
    Jun 8, 2008 at 2:57 pm
  • Hi R-listers, I have problem in executing my R on server. It returns me Error: cannot allocate vector of size 15.8 Mb each time when i execute R on the server. But it doesnt give me any problem when ...
    Jason LeeJason Lee
    Jun 6, 2008 at 1:36 am
    Jun 6, 2008 at 1:27 pm
  • Hello, I have consciously avoided using step() for model simplification in favour of manually updating the model by removing non-significant terms one at a time. I'm using The R Book by M.J. Crawley ...
    ChChChCh
    Jun 11, 2008 at 2:50 am
    Jan 5, 2010 at 10:37 pm
  • All, I have data across 5 time points that I am graphing via xyplot, along with error bars. For one of the variables I have missing data for two of the time points. The code below is okay but I can't ...
    David AfshartousDavid Afshartous
    Jun 26, 2008 at 2:26 pm
    Jun 28, 2008 at 4:30 pm
  • I've a matrix like this: 1985 1.38 1.27 1.84 2.10 0.59 3.47 1986 1.05 1.13 1.21 1.54 0.21 2.14 1987 1.33 1.21 1.77 1.44 0.27 2.85 1988 1.86 1.06 2.33 2.14 0.55 1.40 1989 2.10 0.65 2.74 2.43 1.19 1.45 ...
    Alfredo AlessandriniAlfredo Alessandrini
    Jun 18, 2008 at 10:17 am
    Jun 18, 2008 at 5:06 pm
  • Hi all, I have some data x, which are actualy consisted of numerical enties. But the class of this matrix is set to be "factor" by someone else. I used "class(x)", it turns out to be "factor". So I ...
    Qman FinQman Fin
    Jun 12, 2008 at 6:24 am
    Jun 12, 2008 at 1:38 pm
  • Hello, aa<-c(1,1,2,2,3,3,4,4,5,5,6,6) bb<-c(56,56,33,33,53,53,20,20,63,63,9,9) cc<-data.frame(aa,bb) uniquedf <- unique(cc) View(uniquedf) Why does the column "row.names" appear in the new dataframe ...
    TonyxvTonyxv
    Jun 22, 2008 at 1:15 am
    Mar 14, 2013 at 4:28 pm
  • Dear R-users: I am a new R-user and I have a question about lm function. Here is my data. a<-c(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14) ...
    LeeznarLeeznar
    Jun 19, 2008 at 8:29 am
    Jul 17, 2008 at 1:14 pm
  • I was starting to write a note to a prospective R-user and came to the point of explaining how to get useful introductory information on R. After mentioning the Into and the FAQs I went on to try to ...
    John KaneJohn Kane
    Jun 19, 2008 at 1:50 pm
    Jul 3, 2008 at 4:59 pm
  • People, It appears that one has to use Imperial measurements in plot parameters? I can't find any info on using metric units . . Thanks, Phil. -- Philip Rhoades Pricom Pty Limited (ACN 003 252 275 ...
    Philip RhoadesPhilip Rhoades
    Jun 20, 2008 at 9:50 am
    Dec 30, 2008 at 5:30 pm
  • Hi all, I have created following codes : mat = cbind(c(0.000059710430,0.000023057380), c(0.000023057380, 0.00005971089)) set.seed = 1000 vary = runif(dim(mat)[1], 2000, 3000) calc = function(mat, ...
    Ron MichaelRon Michael
    Jun 29, 2008 at 4:59 am
    Jun 30, 2008 at 4:33 pm
  • unique(c(1:10,1)) gives 1:10 (i.e. unique values), is there any method to get only 2:10 (i.e. values that are unique) ? Easily edit your photos like a pro with Photo Gallery.
    Daren TanDaren Tan
    Jun 25, 2008 at 4:19 pm
    Jun 25, 2008 at 4:59 pm
  • Hi All. I have the commands below to create a stripchart/plot. I was hoping to color the points in the plot by yr, and use a symbol that varied with resp. However, the outcome makes it appear as ...
    Bryan HansonBryan Hanson
    Jun 21, 2008 at 5:40 pm
    Jun 24, 2008 at 8:59 pm
  • Hi, I have one question on expand.grid() function. When I write following syntax :expand.grid(c("u", "l"), c("u", "l"), c("u", "l")) I get following as desired : Var1 Var2 Var3 1 u u u 2 l u u 3 u l ...
    Megh DalMegh Dal
    Jun 23, 2008 at 1:16 pm
    Jun 23, 2008 at 4:48 pm
  • I want to take the first row of each unique ID value from a data frame. For instance data.frame(Id=c(1,1,2,2),name=c("Paul","Joe","Bob","Larry")) I want a dataset that is Id Name 1 Paul 2 Bob Will ...
    Emslie, Paul [Ctr]Emslie, Paul [Ctr]
    Jun 6, 2008 at 1:35 pm
    Jun 10, 2008 at 1:35 pm
  • Hi the list. I got a probleme with R CMD check. I run a package.skeleton on a very simple code (four toy function, no probleme with the R CMD build). But on the R CMD check packClassique, I get : * ...
    CgenolinCgenolin
    Jun 2, 2008 at 10:32 pm
    Jul 18, 2008 at 12:22 pm
  • Dear R Users, I would like to plot three time series on the same graph, two axis on the left and one axis on the right. The time series that I am graphing on the left do not share a similar scale ...
    Tolga I UzunerTolga I Uzuner
    Jun 30, 2008 at 9:11 am
    Jun 30, 2008 at 12:42 pm
  • I'm using the command below on an open3d() object to create a shaded cube. Changes to myScalingFactor do not effect changes in the size of the cube. What is the correct approach? Mark ...
    Mark KimpelMark Kimpel
    Jun 25, 2008 at 1:57 am
    Jun 26, 2008 at 4:37 pm
  • Hi, I would like to convert a character vector xxx <- c("1/2", "1/4") to yyy <- c(0.5, 0.25) , but as.numeric didn't work for me. Could anyone give me a hint please? Thanks, Ken
    Ken LiuKen Liu
    Jun 20, 2008 at 11:36 pm
    Jun 21, 2008 at 4:37 pm
  • DeaR list, I happily use eigen() to compute the eigenvalues and eigenvectors of a fairly large matrix (200x200, say), but it seems over-killed as its rank is limited to typically 2 or 3. I sort of ...
    baptiste Auguiébaptiste Auguié
    Jun 18, 2008 at 8:56 pm
    Jun 19, 2008 at 7:49 pm
  • Hi all! I'm very new to R, and I'm having trouble figuring out how to go from a file of points that I have to a 3d surface plot of the data. I typically have something like this: X Y Z 0.005 0.023 ...
    Wesley TanseyWesley Tansey
    Jun 16, 2008 at 5:32 pm
    Jun 18, 2008 at 1:26 pm
  • Dear all, I have used 'read.table' to create a data frame of 720 columns and 360 rows (and assigned this to 'Jan'). The row and column names are numeric: -179.75 -179.25 -178.75 -178.25 -177.75 ...
    Steve MurraySteve Murray
    Jun 17, 2008 at 10:59 am
    Jun 18, 2008 at 9:04 am
  • Greetings, I am doing matching/merge for a table (40919x3) to data which is in the form of a list of 1268 data.frames. Using lapply this is taking ~5 minutes. I know that the match/merge functions ...
    Lana SchafferLana Schaffer
    Jun 12, 2008 at 7:25 pm
    Jun 17, 2008 at 4:47 pm
  • Hello R-user community! I am running R 2.7.0 on a Power Book (Tiger). (I am still R and statistics beginner) I have a problem that is certainly solved very easily but presently I don`t know how. I ...
    Birgit LemckeBirgit Lemcke
    Jun 2, 2008 at 9:27 am
    Jun 3, 2008 at 3:25 pm
  • Hi all, I have following monthly time series : V1 V2 V3 1 Nov-80 NA 1007.44 2 Dec-80 NA 982.05 3 Jan-81 NA 994.25 4 Feb-81 NA 996.31 5 Mar-81 NA 939.91 6 Apr-81 NA 923.32 Now I want to convert it to ...
    Megh DalMegh Dal
    Jun 1, 2008 at 12:35 pm
    Jun 1, 2008 at 3:34 pm
  • id<-c(1,1,1,1,3,3,3,7,7,7,7,11,11,11........) how to sort this kind of data to id:(1,1,1,1,2,2,2,3,3,3,3,4,4,4.........) thanks~
    Manli YanManli Yan
    Jun 5, 2008 at 1:17 am
    Mar 30, 2012 at 2:44 pm
  • I am developing an application that uses Eclipse framework on Windows. I have to call R from Java. I downloaded rJava package and installed it. I set the classpath in the Run Dialog in Eclipse to the ...
    MadhuraMadhura
    Jun 5, 2008 at 2:52 pm
    Jun 21, 2010 at 9:22 am
  • Hello, The problem I'm working now requires to operate on big matrices. I've noticed that there are some packages that allows to run some commands in parallel. I've tried snow and NetWorkSpaces, ...
    Juan Pablo Romero MéndezJuan Pablo Romero Méndez
    Jun 28, 2008 at 7:11 pm
    Jul 10, 2008 at 6:01 pm
  • Hi all, A while back I sent a message concerning working with tiff-files, and mentioned that I encountered a bug in 2.7.0. This bug still occurs in 2.7.1, and is reproducable on a separate computer ...
    Gustaf RydevikGustaf Rydevik
    Jun 25, 2008 at 7:58 am
    Jun 25, 2008 at 3:04 pm
  • Is it possible to temporarily suspend output? I am using a function that gives lots of output using cat, that is not very informative. Is it possible to turn output off, run the function, then turn ...
    Richard PearsonRichard Pearson
    Jun 24, 2008 at 10:33 am
    Jun 24, 2008 at 3:25 pm
  • Hi, Simple question, but I did not figure out how to find the answer on my own (wrong choice of keywords on my part). I have a character variable for time of day that has entries looking like "6h30", ...
    Denis ChabotDenis Chabot
    Jun 20, 2008 at 10:14 pm
    Jun 23, 2008 at 12:44 pm
  • Dear List, I have a problem I'm finding it difficult to make headway with. Say I have 6 ordered observations, and I want to find all combinations of splitting these 6 ordered observations in g ...
    Gavin SimpsonGavin Simpson
    Jun 21, 2008 at 4:40 pm
    Jun 22, 2008 at 12:51 am
  • Hi R, Can I get a comparison between R and MATLAB? How is R efficient than MATLAB? Or what are the weaknesses of R compared to MATLAB? Thank you very much for your help, Shubha Shubha Karanth | Amba ...
    Shubha Vishwanath KaranthShubha Vishwanath Karanth
    Jun 19, 2008 at 9:03 am
    Jun 20, 2008 at 8:45 pm
  • Hi all. I hope I have my terminology right here... For a simple lm, one can add ?pointwise confidence bounds? to a fitted line using something like (I'm following DAAG page 154-155 for this) I would ...
    Bryan HansonBryan Hanson
    Jun 18, 2008 at 8:08 pm
    Jun 20, 2008 at 6:52 am
  • Dear useRs: Is there a way to include a raster image (e.g., .gif, .jpg, .bmp) representing a company logo, a school logo, etc. into an R graphic? For example, it would be nice to be able to include ...
    Tudor BodeaTudor Bodea
    Jun 17, 2008 at 3:09 am
    Jun 19, 2008 at 6:11 pm
  • Hi the list, I write a package for clusterizing longitudinal data using a non parametric algorithm. I develop the package under windows. To be as user friendly as possible, the package use some ...
    CgenolinCgenolin
    Jun 13, 2008 at 2:51 pm
    Jun 16, 2008 at 11:37 am
  • Dear list, I just tried to use the function cluster.stat in the package fpc. I just have a couple of questions about the syntax: cluster.stats(d,clustering,alt.clustering=NULL, ...
    Laura PoggioLaura Poggio
    Jun 13, 2008 at 5:02 pm
    Jun 14, 2008 at 9:04 pm
  • To whom it may concern, I am currently writing a program where I need to use function rep. The results I get are quite confusing. Given two vectors A and B, I want to replicate a[1] b[1] times, a[2] ...
    Julien HuntJulien Hunt
    Jun 12, 2008 at 2:48 pm
    Jun 12, 2008 at 5:39 pm
  • Hi, I have a question about applying a function recursively through a list. Suppose I have a list where the different elements have different levels of recursion: + "II"=list("A"=list("a"=c("a", "b", ...
    Georg OttoGeorg Otto
    Jun 11, 2008 at 3:51 pm
    Jun 12, 2008 at 1:14 pm
  • Hi All, I have a problem of putting long titles on a graph: for example, x= seq(1:100) y=seq(1:100) ...
    Hua LiHua Li
    Jun 10, 2008 at 4:07 pm
    Jun 11, 2008 at 9:08 pm
  • ng, I have a matrix (x) with binary content. Each row of the matrix holds exactly one 1, and the rest of the row is zeros. The thing is that I need to 'collapse' the matrix to one column where each ...
    Stefan PeterssonStefan Petersson
    Jun 11, 2008 at 8:10 am
    Jun 11, 2008 at 2:39 pm
  • Hi, I have a seemingly common problem but I can't find a proper way to approach it. Let's say we have 5 samples (different size) of IC circuits coming from 5 production lines (A, B, C, D, E). We ...
    Ivan AdzhubeyIvan Adzhubey
    Jun 9, 2008 at 10:28 pm
    Jun 11, 2008 at 7:28 am
  • when I load my data file in txt format into the R workstation I lose about 6000 rows, this is a problem. Is there a limit to the display capabilities for the workstation? is all the information there ...
    RobertsLRRIRobertsLRRI
    Jun 6, 2008 at 9:30 pm
    Jun 9, 2008 at 8:37 pm
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