Grokbase Groups R r-help August 2014
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246 discussions - 853 posts

  • I've been struggling for half a day on what should be a simple problem... I have a data frame of lat/long coordinates that describe a region, and I want to draw a polygon around them so I can use ...
    Bob O'HaraBob O'Hara
    Aug 15, 2014 at 2:51 pm
    Aug 16, 2014 at 11:54 pm
  • Hello! If I would like to generate a sequence of seconds for a date, I would do the following: x <- seq(from=as.POSIXct(2014-08-12 00:00:00),to=as.POSIXct(2014-08-12 23:59:59),by="secs") What if I ...
    Erin HodgessErin Hodgess
    Aug 12, 2014 at 6:51 pm
    Aug 12, 2014 at 9:07 pm
  • Hi, I am trying to find a way to estimate prediction intervals (PI) for a monotonic loess curve using bootstrapping. At the moment my approach is to use the boot function from the boot package to ...
    Jan StanstrupJan Stanstrup
    Aug 12, 2014 at 7:23 am
    Aug 19, 2014 at 7:56 am
  • Dear rusers, ? ? As we know, there are a lot of environments in the search() path, such as?? .Golbalenv and package:base . And ?i can just use ?.Golbalenv$a ,.Golbalenv$b to use the virable, ?but i ...
    PO SUPO SU
    Aug 25, 2014 at 6:07 am
    Aug 27, 2014 at 3:44 am
  • Hi there, I have several saved data files (e.g., A.RData, B.RData and C.RData). In each file, there are some objects with same names but different contents. Now, I need to compare those objects ...
    Jinsong ZhaoJinsong Zhao
    Aug 19, 2014 at 12:30 am
    Aug 24, 2014 at 2:07 am
  • Good afternoon, Today I was working on a practice problem. It was simple, and perhaps even realistic. It looked like this: ? Get a list of all the data files in a directory ? Load each file into a ...
    Grant RettkeGrant Rettke
    Aug 10, 2014 at 6:51 pm
    Aug 12, 2014 at 1:48 pm
  • Dear subscribers, I've found that if there is a variable in the dataframe with a name very similar to a new variable, R does not give the correct values to this latter variable based on the values of ...
    Angel RodriguezAngel Rodriguez
    Aug 29, 2014 at 8:53 am
    Sep 2, 2014 at 8:10 am
  • A random effect formulation for R package nlme is read in as a string of characters from an input file: ranEff <- "pdCompSymm(~1+Age)" I need to convert 'ranEff' to a formula class. However, as shown ...
    Gang ChenGang Chen
    Aug 27, 2014 at 6:19 pm
    Aug 27, 2014 at 8:47 pm
  • Hi, I have a data.table question (as well as if else statement query). I have a large list of families (file has 935 individuals that are sorted by famiy of varying sizes). At the moment the file has ...
    Kate IgnatiusKate Ignatius
    Aug 16, 2014 at 7:42 pm
    Aug 17, 2014 at 6:41 pm
  • Hi: sorry I have a basic question. I have a data frame with two columns: V1 V2 1 AKT3 TCL1A 2 AKTIP VPS41 3 AKTIP PDPK1 4 AKTIP GTF3C1 5 AKTIP HOOK2 6 AKTIP POLA2 7 AKTIP KIAA1377 8 AKTIP FAM160A2 9 ...
    Adrian JohnsonAdrian Johnson
    Aug 13, 2014 at 12:14 am
    Aug 14, 2014 at 4:00 pm
  • Hi All! This seems to be trival but I am not able to find a solution for it. I have a dataframe with datetime columns in form of ("%d/%m/%y %H:%M:%OS"). I write it to csv file. Whne i open the csv ...
    Sneha BishnoiSneha Bishnoi
    Aug 20, 2014 at 11:53 am
    Aug 20, 2014 at 10:32 pm
  • R Community - I am attempting to write a function that will calculate the distance between points in 3 dimensional space for unique regions (e.g. localized brain regions such as the frontal lobe) ...
    Patzelt, EdwardPatzelt, Edward
    Aug 20, 2014 at 8:12 pm
    Aug 22, 2014 at 3:43 pm
  • I want to make my own graphics device am thus looking for documentation about graphics devices. The only thing I've found so far is these directions for making graphics devices with the ...
    Thomas LevineThomas Levine
    Aug 17, 2014 at 7:58 pm
    Aug 18, 2014 at 6:25 am
  • Hi, I would need to get a clarification on a quite fundamental statistics property, hope expeRts here would not mind if I post that here. I leant that variance-covariance matrix of the standardized ...
    Ron MichaelRon Michael
    Aug 12, 2014 at 7:57 pm
    Aug 15, 2014 at 9:49 pm
  • Hi, Can anyone please assist. given the string I would like to extract "S01-012" require(stringr) both nearly work. I expected I would use something like: but I don't seem able to get the square ...
    Tom WrightTom Wright
    Aug 15, 2014 at 4:18 pm
    Aug 15, 2014 at 6:37 pm
  • Hi all, I'd like to make a step plot of Time vs Response graph. This is the example of my data frame - the real data frame has more than a thousand rows. Time Duration of infusion Infusion Rate ...
    Jaiprasart, Pharavee (HSC)Jaiprasart, Pharavee (HSC)
    Aug 14, 2014 at 3:07 pm
    Aug 15, 2014 at 5:46 pm
  • Running R 3.03 on Windows 7 I am trying to install a package from a github repository. https://github.com/google/glassbox I downloaded the repository as a zip file, extracted it to get the glassbox ...
    James HollandJames Holland
    Aug 8, 2014 at 8:29 pm
    Aug 9, 2014 at 3:47 pm
  • Hello,everybody, I have a sequence,like a<-c(1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1),how to get the position of each first 1 and 0, that's to say, how to get ...
    JohnnyczJohnnycz
    Aug 7, 2014 at 2:12 am
    Aug 7, 2014 at 3:36 pm
  • I have the following .csv file containing about 40000 values (here only an extract and simplified version): NAME ; YEAR; ID; VALUE; CUMMB Sample1; 1998; 354; 45; 45 Sample1; 1999; 354; 23; 68 ...
    FdFd
    Aug 4, 2014 at 9:02 am
    Aug 4, 2014 at 2:36 pm
  • Hi everyone, I would like the find which objects are data frames in all the objects I have created ( in other words in what you get when you type: ls() ), then I would like to make a list of these ...
    MatthewMatthew
    Aug 13, 2014 at 6:56 pm
    Sep 4, 2014 at 10:40 pm
  • Dear Rusers, when i try file.show(" xxx.h") in Rstudio which using R3.0.2, it doesn't show anything. But when i use file.edit("xxx.h"),it shows the right file, It is the same thing happen to xxx.c ...
    PO SUPO SU
    Aug 21, 2014 at 3:19 am
    Aug 21, 2014 at 2:38 pm
  • Hi I have data set as follows: A 92315 A 35018 A 56710 B 52700 B 92315 B 15135 C 35018 C 52700 I would like to transform this data set into: ID 92315 35018 56710 52700 15135 A 1 1 1 0 0 B 1 0 0 1 1 C ...
    Sohail KhanSohail Khan
    Aug 14, 2014 at 10:08 pm
    Aug 15, 2014 at 4:06 pm
  • Dear R-user, May I seek your help to sort out a little problem. I have the following codes to draw two graphs. I want to superimpose the second one on each of the first one ...
    Naser JamilNaser Jamil
    Aug 11, 2014 at 9:06 am
    Aug 12, 2014 at 1:40 pm
  • Hi, Is there any way to take one color of each color family from a color palettes like rainbow? For ex, if there are different blues differentiated by intensity, hue etc, taking one of them. In this ...
    Carol whiteCarol white
    Aug 8, 2014 at 1:26 pm
    Aug 10, 2014 at 11:32 am
  • Dear R users, I have a list of vectors (list is called HTNlist). Each vector is of length 1 to 4 and takes only 0 and 1 as values. E.g. head(HTNlist) $`30008` [1] 1 0 1 0 $`60008` [1] 0 0 1 0 ...
    Marie-Pierre SylvestreMarie-Pierre Sylvestre
    Aug 5, 2014 at 5:39 pm
    Aug 6, 2014 at 3:05 am
  • Does a function exist that combines a normal probability plot with a histogram and maybe a density estimate on the same plot? I'm revising the Wikipedia article on "Normal probability plot", and I ...
    Spencer GravesSpencer Graves
    Aug 3, 2014 at 7:38 pm
    Aug 5, 2014 at 5:31 pm
  • I have sought consultation online and in person, to no avail. I hope someone on here might have some insight. Any feedback would be most welcome. I am attempting to plot predicted values from a ...
    Nick LivingstonNick Livingston
    Aug 29, 2014 at 3:57 am
    Aug 29, 2014 at 6:36 pm
  • Hi everyone, I believe I am not the first one to have this problem but couldn't find a relevant thread on the list. Say I have a string (actually it is the whole column in a data frame) in a format ...
    Jun ShenJun Shen
    Aug 28, 2014 at 5:41 pm
    Aug 28, 2014 at 6:20 pm
  • Dear expeRts, I would like to find out how R computes pbinom(). A grep in the source code reveiled src/library/stats/R/distn.R:146: .External(C_pbinom, q, size, prob, lower.tail, log.p), so ...
    Marius HofertMarius Hofert
    Aug 27, 2014 at 3:14 am
    Aug 27, 2014 at 9:57 pm
  • Why is the bottom boundary plotted in a different colour to the other three sides ? set.seed(4444) data <- rpois(10, 2) plot(density(data), ann = FALSE, yaxs = 'i') # Grey bottom boundary ...
    Dario StrbenacDario Strbenac
    Aug 25, 2014 at 12:00 pm
    Aug 26, 2014 at 6:47 am
  • I am getting strange behavior when trying to fit models to large datasets using bam. I am working on a 4-core machine, but I think that there may be 2 physical cores that the computer uses as 4 cores ...
    Andrew Crane-DroeschAndrew Crane-Droesch
    Aug 21, 2014 at 11:53 am
    Aug 25, 2014 at 1:16 pm
  • Here is the fraction of Matlab code for the Generalized Sup ADF Test for the bubble testing: The dimension of the matrix rwadft may vary via the circulation. I then imitate this code by the R program ...
    西风古道西风古道
    Aug 23, 2014 at 12:22 pm
    Aug 24, 2014 at 3:26 pm
  • Hi We are currently trying to migrate 3 users of "R" to a citrix based environment, but are coming across major issues trying to install the packages to the relevant image. Can someone please contact ...
    Jon-Paul CameronJon-Paul Cameron
    Aug 22, 2014 at 7:36 am
    Aug 22, 2014 at 5:09 pm
  • Hello, As you can read in the small code below, I do not represent directly my data but its inverse in the limits of my radial plot and I would like to reorder grid labelling from the upper value at ...
    Hugues FrançoisHugues François
    Aug 18, 2014 at 1:35 pm
    Aug 18, 2014 at 6:04 pm
  • [1] "P_3_utr_source_data" "P_5_utr_source_data" [3] "P_exon_per_gene_cds_source_data" "P_exon_per_gene_source_data" [5] "P_exon_source_data" "P_first_exon_oncds_source_data" [7] ...
    Fix AceFix Ace
    Aug 8, 2014 at 6:25 pm
    Aug 12, 2014 at 3:39 pm
  • Hi, I'm wondering why calling " " with named arguments doesn't work as expected: function (e1, e2) NULL [1] TRUE TRUE TRUE [1] TRUE TRUE TRUE Shouldn't the latter be FALSE? Thanks for any help, Ryan ...
    RyanRyan
    Aug 7, 2014 at 4:20 am
    Aug 9, 2014 at 10:12 am
  • What tools do you like for working with tab delimited text files up to 1.5 GB (under Windows 7 with 8 GB RAM)? Standard tools for smaller data sometimes grab all the available RAM, after which CPU ...
    Spencer GravesSpencer Graves
    Aug 5, 2014 at 5:20 pm
    Aug 7, 2014 at 5:49 pm
  • Dear All, I am getting this error: Error in boxplot$Month : object of type 'closure' is not subsettable The following is the codes i am using to produce the boxplot I need for this daily rainfall ...
    Frederic NtirenganyaFrederic Ntirenganya
    Aug 5, 2014 at 11:33 am
    Aug 6, 2014 at 7:48 am
  • Hi: I am trying to identify mutually exclusive events from the following example: Cluster Gene Mutated not-mutated 1 G1 1 0 1 G2 1 0 1 G3 0 1 1 G4 0 1 1 G5 1 0 2 G1 0 1 2 G2 1 0 2 G3 1 0 2 G4 0 0 2 ...
    Adrian JohnsonAdrian Johnson
    Aug 2, 2014 at 6:11 pm
    Aug 2, 2014 at 8:21 pm
  • I have done an embarrassingly bad job using a mixture of gsub and strsplit to solve a problem. Below is sample code showing what I have to start with (the vector xx) and I want to end up with two ...
    Doran, HaroldDoran, Harold
    Aug 1, 2014 at 2:46 pm
    Aug 1, 2014 at 3:10 pm
  • Dear Team, I am getting this error while running the boot-strapping functions. =================================================mod.db.hub<-glm(TOTAL~1+IPD,family="poisson",dataÛ) ...
    K AravindhanK Aravindhan
    Aug 8, 2014 at 2:12 pm
    Dec 7, 2014 at 2:46 pm
  • Hello, I am having difficulty resolving an error I receive trying to bootstrap a multigroup SEM. The error (below) indicates that the model called to bootSem doesn't contain matrices. This is true, ...
    Chad DanyluckChad Danyluck
    Aug 27, 2014 at 4:22 pm
    Sep 5, 2014 at 7:41 pm
  • Hello, With 'help.start()' an HTML browser interface to help pops up. In the section 'Miscellaneous Material' if you click on 'User Manuals' an error occurs: Error in vignettes[i, "PDF"] : subscript ...
    Rui BarradasRui Barradas
    Aug 31, 2014 at 11:31 am
    Sep 1, 2014 at 9:00 pm
  • I am hoping someone can help me with a bus stop sequencing problem in R, where I need to match counts of people getting on and off a bus to the correct stop in the bus route stop sequence. I have ...
    Adam LawrenceAdam Lawrence
    Aug 30, 2014 at 12:46 am
    Sep 1, 2014 at 12:07 am
  • Good evening, Suppose that /the business/ want to store tabular data inside of a file. They want manage that file using a GUI program that runs on OSX, Linux, and Windows. Additionally, it needs to ...
    Grant RettkeGrant Rettke
    Aug 27, 2014 at 11:01 pm
    Aug 29, 2014 at 6:42 pm
  • Hi All? How to do t.test to rows (with two levels, or in other words, groups of samples) of a dataframe using apply family function? I have done that using function and loops. And my overall purpose ...
    My1stboxMy1stbox
    Aug 26, 2014 at 1:26 am
    Aug 26, 2014 at 12:21 pm
  • Hi, I'm trying to prevent the loading of packages from the 'personal library' on an OS X machine. i.e. the packages that are normally placed somewhere like: ~/Library/R/3.0/library There is a file in ...
    Jonathon LoveJonathon Love
    Aug 25, 2014 at 9:58 am
    Aug 25, 2014 at 11:25 pm
  • Dear All, I am trying to create vector output (SVG) of filled contours. I've found two approaches so far: (1) library('lattice') svg("D:/test.svg") filled.contour(volcano) #levelplot(volcano, ...
    Jan TosovskyJan Tosovsky
    Aug 24, 2014 at 7:51 am
    Aug 25, 2014 at 8:17 pm
  • Hi all, Using filled.contour... foo <- matrix(seq(0.1, 0.9, 0.1), ncol = 3) filled.contour(foo) how can I set the key axis to give percentages? And is there a way to automatically label the key axis ...
    Lietz, HaikoLietz, Haiko
    Aug 18, 2014 at 8:51 am
    Aug 23, 2014 at 4:40 am
  • R CMD check does not object to this code when checking a package: foo1 <- function (bar) { with(bar, { x }) } but produces a warning: foo2: no visible binding for global variable 'x' in response to ...
    Daniel BraithwaiteDaniel Braithwaite
    Aug 17, 2014 at 1:36 am
    Aug 22, 2014 at 6:38 pm
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