Grokbase Groups R r-help January 2014
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359 discussions - 1,087 posts

  • Hi I have a factor in two level and a continues variable nested in one of the factor A levels. Does it nested ancova model? Please guide me Regards,
    Tania deheshTania dehesh
    Jan 3, 2014 at 3:52 pm
    Feb 27, 2014 at 7:21 am
  • Dear all; I am Msc student in Iran and I used R software for statistical analysis in my master thesis. I have 2 request: First: I am interested in writing a package in R and I do not know how can I ...
    Javad bayatJavad bayat
    Jan 5, 2014 at 2:56 pm
    Jan 15, 2014 at 10:02 pm
  • Dear R community  I have a large data set contain some empty cells. Because of that, may be I am wrong, <NA values are produced. Now I want replace both empty and <NA values with zero.  Elder1 <- ...
    KingslyKingsly
    Jan 19, 2014 at 7:39 pm
    Jan 22, 2014 at 11:40 am
  • Hi guys, is there in some R package a statement to fit parameters in a 3 parameters lognormal distribution. Many thanks Vito Ricci
    Vito RicciVito Ricci
    Jan 16, 2014 at 3:59 pm
    Jan 18, 2014 at 9:52 pm
  • Hi all, I have a matrix which I want to plot in color. I have extensively looked at level plot and heatmap/heatmap.2, but I would like to be able to manage the size of the bins (boxes) on my X axis ...
    PachapepPachapep
    Jan 7, 2014 at 3:19 am
    Jan 11, 2014 at 10:53 pm
  • Sorry if the question is stupid, how you you install mac os binaries like in : http://cran.r-project.org/bin/macosx/contrib/r-release/forecast_5.0.tgz
    CeCe
    Jan 28, 2014 at 4:18 am
    Jan 29, 2014 at 5:29 pm
  • Dear friends, I have a question do not know how to resolve. I have a big matrix composed of different columns (I use N here). A column is "species" and another one is "latitudes". Now, I want to know ...
    张以春张以春
    Jan 21, 2014 at 6:35 am
    Jan 22, 2014 at 4:42 pm
  • Hi all I have such a Data and I want to plot them but I get this warning Warning message: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by coercion " 7.0121, -0.673354, 0.749622, ...
    BaroBaro
    Jan 7, 2014 at 2:40 pm
    Jan 7, 2014 at 3:37 pm
  • Hi there, I'm currently using knitr to generate an html file, however the output of my code is in a font size that's larger than I desire. I've been looking through various options for controlling ...
    Jeff JohnsonJeff Johnson
    Jan 29, 2014 at 4:49 pm
    Feb 3, 2014 at 6:24 pm
  • Hello everyone, I have a large vehicle trajectory data of which following is a small part: vehicle frame globalx class velocity lane 1 221 6451260 2 23.37 5 1 222 6451261 2 23.16 5 1 223 6451263 2 ...
    Umair durraniUmair durrani
    Jan 25, 2014 at 1:09 am
    Jan 26, 2014 at 4:24 am
  • Dear Rxperts... I would like to conditionally include an element (as a column) in a dataframe. Please see the sample code below: a1 <- ...
    SantoshSantosh
    Jan 10, 2014 at 8:45 pm
    Jan 11, 2014 at 2:16 am
  • I think I have a hole in my understanding of how R uses packages (or at least how it gives functions in packages priority). I thought I would give the new dplyr package a test drive this morning ...
    Trevor DaviesTrevor Davies
    Jan 29, 2014 at 10:19 pm
    Jan 30, 2014 at 1:15 am
  • Dear list, I'm using the rms package to fit some Cox models. I run anova() on them to obtain sequential p-values, but I'm getting strange results when I run it on a subset of the data. Following the ...
    Oscar RuedaOscar Rueda
    Jan 28, 2014 at 6:32 pm
    Jan 30, 2014 at 12:13 am
  • Hi, I am a student in trouble with R. please help me! I have a 16 huge data(.csv). data1<-read.csv(D://data1.csv, header=FALSE) . . . data16<-read.csv(D://data16.csv, header=FALSE) and then, I tried ...
    Lee MarineLee Marine
    Jan 21, 2014 at 6:17 am
    Jan 24, 2014 at 11:18 pm
  • Dear R community I have a two data set called "Elder" and "Younger". This is my code for simple merge. Elder <- data.frame(  ID=c("ID1","ID2","ID3"),  age=c(38,35,31)) Younger <- data.frame(  ...
    KingslyKingsly
    Jan 16, 2014 at 12:25 pm
    Jan 17, 2014 at 1:16 pm
  • I have a table that consists of the following country codes and frequencies: AE AN AR AT AU BB BD BE BH BM BN BO BR BS CA CH CM CN CO CR CY DE DK DO EC ES 0 3 0 2 1 31 4 1 1 1 45 1 1 4 5 86 3 1 8 1 2 ...
    Jeff JohnsonJeff Johnson
    Jan 13, 2014 at 7:15 pm
    Jan 15, 2014 at 10:23 pm
  • Dear folks-- I am not sure if this should be framed as a question about RSQLite, about debugging, about SQLite, or about how to write a good question. I have a little function (copied below beneath ...
    Andrew HoernerAndrew Hoerner
    Jan 4, 2014 at 8:35 am
    Jan 12, 2014 at 6:27 am
  • Hi Folks! I have been writing a small set of utilities for dealing with files that are hard to open correctly for one reason or another, especially because they are too big for memory, ...
    andrewHandrewH
    Jan 29, 2014 at 4:43 am
    Jan 30, 2014 at 5:59 am
  • Hi all, I frequently get requests to do data analysis where the person references an excel column. e.g., "I want to analyze [insert complex variable name], located at column AAQ in Excel." I've been ...
    Dustin FifeDustin Fife
    Jan 27, 2014 at 9:30 pm
    Jan 29, 2014 at 12:42 am
  • Dear all: I want to predict a presence/absence vector using a presence/absence matrix of events. What library can do this in R? Many thanks -- ******************************************************** ...
    Daniel Patón DomínguezDaniel Patón Domínguez
    Jan 24, 2014 at 11:41 am
    Jan 25, 2014 at 7:20 pm
  • Hi again, I need to read below xlsx file correctly (available here: http://snk.to/f-ch3exae5), and used following code (say, file is saved in F: drive) V1 1 -0.419547704894512 2 -[$¥-411]0.42 However ...
    Christofer BogasoChristofer Bogaso
    Jan 24, 2014 at 7:22 pm
    Jan 25, 2014 at 1:36 pm
  • Hi all, I have a very quick question yet found no answers with google. Say you when you are writing a package and have R/A.r and R/B.r, if you want to load B.r in A.r, is there an obvious way to do ...
    Charlie XiaCharlie Xia
    Jan 24, 2014 at 12:54 am
    Jan 24, 2014 at 7:49 pm
  • Hi, Couldn't reproduce the error after running your code: ?d <- dcast(d, date ~ id, value.var="simple_return") ?dim(d) #[1] 356?? 9 ?sessionInfo() R version 3.0.2 (2013-09-25) Platform ...
    ArunArun
    Jan 21, 2014 at 8:48 pm
    Jan 22, 2014 at 5:25 am
  • Dear listers, I would like to make stacked barplot, and to be able to define shading (density or angle) segment-wise, i.e. NOT like here: # Bar shading example barplot(VADeaths, angle = 15+10*1:5, ...
    Martin WeiserMartin Weiser
    Jan 16, 2014 at 6:45 pm
    Jan 17, 2014 at 5:49 pm
  • I've noticed that I get different output when running a linear model on my Mac versus on my PC. Same effect, but the Mac assumes the predictor as a 0 level whereas the PC uses the first category ...
    CASENHISER, DEVIN MCASENHISER, DEVIN M
    Jan 14, 2014 at 8:23 pm
    Jan 15, 2014 at 2:25 pm
  • I have a data frame that I am extracting some records from and noticed the following issue I originally used tmp <- subset(dd, dd$EVYEAR= 12 & dd$EVMONTH=='02') and noticed that I wasn't ending up ...
    Walter AndersonWalter Anderson
    Jan 6, 2014 at 5:06 pm
    Jan 12, 2014 at 8:40 pm
  • Hi everybody, I have created a package without documentation and now I want to create it with a pdf manual. That is the reason why I have created the .Rd files in man folder. In this way I obtain a ...
    Eva Prieto CastroEva Prieto Castro
    Jan 6, 2014 at 10:36 pm
    Jan 7, 2014 at 8:57 pm
  • Dear Sir Many papers calculated the p value of trends for odds ratios of ordered category variables. I have found the tabodds command in Stata. But how to do it in R? Thanks *Yao Zhu* *Department of ...
    Zhu yaoZhu yao
    Jan 4, 2014 at 5:39 am
    Jan 6, 2014 at 10:49 am
  • Hi All, I have a terrible issue i cant seem to debug which is halting my work completely. I have R 3.02 installed on a linux machine (arch linux-latest) which I built specifically for running high ...
    Xebar SaramXebar Saram
    Jan 2, 2014 at 7:07 am
    Jan 4, 2014 at 2:42 pm
  • Dear R users, I have two files of seasonal rainfall data (more than 10,000 rows each); here the first 8 rows of each file are reported ...
    Stefano SofiaStefano Sofia
    Jan 3, 2014 at 2:41 pm
    Jan 3, 2014 at 6:54 pm
  • Dear All, Happy new year! wonder if you could help with the following: we have: hist(runif(1000,0,100),xlab=expression(AUC[0 - 24]~ (xyz)),ylab="Frequency") the plan is to have part of the xlab ...
    Andras FarkasAndras Farkas
    Jan 1, 2014 at 3:24 pm
    Jan 1, 2014 at 5:48 pm
  • Folks, I got the following prices by scraping a web page just for my own edification: thePrices<- c("id=\"p0\" $69.95</div ", "id=\"p1\" $44.95</div ", "id=\"p2\" $69.95</div ", "id=\"p3\" ...
    Keith S WeintraubKeith S Weintraub
    Jan 29, 2014 at 2:29 pm
    Jan 29, 2014 at 10:36 pm
  • Hello. I am trying to work out some complicated if() logic. I thought of using which() and if() but cannot get it. I have a dataframe that looks like this: head(deleteFridayTest) Date nrec 1 ...
    BillBill
    Jan 22, 2014 at 11:33 am
    Jan 24, 2014 at 11:24 am
  • Someone asked a question about this on the list a couple months ago. I replied that I didn't know any sound basis for it, and the counter-reply was "SAS has it". Grant applications were due and I got ...
    Terry TherneauTerry Therneau
    Jan 20, 2014 at 5:47 pm
    Jan 20, 2014 at 10:56 pm
  • R 3.0.2 OS X Colleagues I am writing code to read a large number of files in a particular folder. In some situations, there may be two versions of the file with different extensions, e.g.: FILE.csv ...
    Fisher DennisFisher Dennis
    Jan 16, 2014 at 12:37 am
    Jan 16, 2014 at 1:56 am
  • Hello all, I would like to get a substring (first few characters till ~) from a string I can think of way of doing so by [1] "yab" But if I do not know the length of the first word before ~ sign, how ...
    Yuan, RebeccaYuan, Rebecca
    Jan 15, 2014 at 2:38 pm
    Jan 15, 2014 at 3:46 pm
  • Dear R Users, I'm searching for a Self Start function for Weibull function (3 parameters). Somebody can help? Cheers, Vasco Cadavez -- Vasco A. P. Cadavez, PhD Departamento de Ci?ncia Animal & Centro ...
    Vasco CadavezVasco Cadavez
    Jan 14, 2014 at 6:29 pm
    Jan 15, 2014 at 3:37 pm
  • Is the following a bug? ##(R version 3.0.2 (2013-09-25) ## Platform: i386-w64-mingw32/i386 (32-bit)) d <- data.frame(a=rep(letters[1:3],4:6)) rle(d$a) ##Error in rle(d$a) : 'x' must be an atomic ...
    Bert GunterBert Gunter
    Jan 8, 2014 at 4:23 pm
    Jan 8, 2014 at 7:36 pm
  • ? stato filtrato un testo allegato il cui set di caratteri non era indicato... Nome: non disponibile URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20140102/76e45125/attachment.pl
    Luca MeyerLuca Meyer
    Jan 2, 2014 at 6:17 am
    Jan 2, 2014 at 10:42 pm
  • I have a following sample data frame. How can I create a group id of column and b and to obtain column c? a b c 1 1 1 1 1 1 1 1 1 1 2 2 1 2 2 1 2 2 1 3 3 1 3 3 1 3 3 2 1 4 2 1 4 2 1 4 2 2 5 2 2 5 2 2 ...
    Norbi GurrachoNorbi Gurracho
    Jan 2, 2014 at 11:32 am
    Jan 2, 2014 at 5:23 pm
  • The assignment operator is TWO characters: a less than sign immediately followed by a minus sign. Try copying and pasting this: x <- 3 x -- Statistics & Software Consulting GKX Group, GKX Associates ...
    Gabor GrothendieckGabor Grothendieck
    Jan 1, 2014 at 12:51 am
    Jan 2, 2014 at 8:27 am
  • Hello! Below, I: 1. Create a data set with a bunch of factors. All of them are predictors and 'y' is the dependent variable. 2. I run a classification Random Forests run with predictor importance. I ...
    Dimitri LiakhovitskiDimitri Liakhovitski
    Jan 27, 2014 at 11:47 pm
    Jan 28, 2014 at 10:49 pm
  • I would like to make a plea for "publication-ready" figures from R. The default figures produced by R (both traditional and lattice graphics) need to be amended (by users) in many respects to be ...
    Bebber, DanBebber, Dan
    Jan 28, 2014 at 11:12 am
    Jan 28, 2014 at 5:05 pm
  • Hi all, I have the following reproducible example z<-c(-5:40) w<-c(11, 11, 12, 14, 14, 14, 15, 16, 18, 25, 26, 26, 26, 27, 27, 30) r<-z %in% w now r gives me the presence or absence of elements in z ...
    M BezabihM Bezabih
    Jan 23, 2014 at 3:43 pm
    Jan 24, 2014 at 1:13 am
  • Dear all, I would like to select from a vector of 10 elements, 5 of those that are identical. How can I do that in R? I guess one way would be to taking random numbers and see if that appeared ...
    AlaiosAlaios
    Jan 20, 2014 at 5:07 pm
    Jan 21, 2014 at 6:26 am
  • Dear R-users, How do I get rid of the white space above and under a plot made with lattice xyplot? I searched the documentation but could not find how to do it. Standard lattice plots are square, but ...
    Gerrit DraismaGerrit Draisma
    Jan 17, 2014 at 4:18 pm
    Jan 20, 2014 at 11:18 am
  • I want access and object , its name is in an variable : require(xts) data(sample_matrix) head(sample_matrix) Open High Low Close 2007-01-02 50.03978 50.11778 49.95041 50.11778 2007-01-03 50.23050 ...
    CeCe
    Jan 18, 2014 at 9:21 pm
    Jan 18, 2014 at 10:04 pm
  • Now, if I were to move the data over from an excel doc would that change anything. I do understand that that I would have to change it to a csv document and create a variable for it. Just to give you ...
    Norman McBrideNorman McBride
    Jan 17, 2014 at 2:30 pm
    Jan 18, 2014 at 5:11 pm
  • Hello all, I know that the following code will give me the format of the Sys.time() till hour (%I), how can I get that till min? what shall I add between %I and %p? format(Sys.time(), ...
    Yuan, RebeccaYuan, Rebecca
    Jan 15, 2014 at 2:56 pm
    Jan 15, 2014 at 3:47 pm
  • I'm running the following to get what I would expect is a subset of countries that are not equal to "US" AND COUNTRY is not in one of my validcountries values. non_us <- subset(mydf, (COUNTRY %in% ...
    Jeff JohnsonJeff Johnson
    Jan 14, 2014 at 7:38 pm
    Jan 14, 2014 at 10:19 pm
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