Grokbase Groups R r-help May 2015
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257 discussions - 887 posts

  • Hi everyone, I am very new to R and I have a task to do. I appreciate any help. I have 3 data sets. Each data set has 4 columns. For example: Class Comment Term Text 0 com1 aac text1 2 com2 aax text2 ...
    Mohammad AlimohammadiMohammad Alimohammadi
    May 22, 2015 at 5:37 pm
    May 29, 2015 at 11:14 pm
  • Hi, I'm new to R and am stumped. I'm trying to bind List 1 to List 2 and have the corresponding Output. I've found the following code - I can't say I understand rbindlist(lapply(list12, "[", i, ...
    Vin ChengVin Cheng
    May 11, 2015 at 8:16 pm
    May 14, 2015 at 3:11 pm
  • Dear all, I would appreciate a suggestion on the following : I am working with a data.frame (below) : EXP CT row_names col_names 1 test -5 B4:B5:B6 B1:B2:B3 2 test -2 B7:B8:B9 B1:B2:B3 3 test -2 ...
    Bogdan TanasaBogdan Tanasa
    May 29, 2015 at 8:19 pm
    May 29, 2015 at 11:41 pm
  • Dear all, For my master thesis, I'm currently working in cognitive neuroscience on executive control through measurement of reaction time and I need to get my data 'vincentized' with an exclusive use ...
    Gabriel WEINDELGabriel WEINDEL
    May 20, 2015 at 10:13 am
    May 25, 2015 at 3:31 pm
  • Good morning, All I have a stat question not specifically related to the the programming language. To compare distributional consistency / discrepancy between two samples, we usually use ...
    Wensui LiuWensui Liu
    May 29, 2015 at 4:31 pm
    Jun 1, 2015 at 3:16 pm
  • I have a pedigree file as so: X0001 BYX859 0 0 2 1 BYX859 X0001 BYX894 0 0 1 1 BYX894 X0001 BYX862 BYX894 BYX859 2 2 BYX862 X0001 BYX863 BYX894 BYX859 2 2 BYX863 X0001 BYX864 BYX894 BYX859 2 2 BYX864 ...
    Kate IgnatiusKate Ignatius
    May 29, 2015 at 4:58 pm
    May 29, 2015 at 11:12 pm
  • Hello All, I need help on creating a histogram for one of my data. The data is as below (sample): MFST_WT Hours PROCESS Month Weekday Day of the Month 6,828 13 INBOUND Mar Fri 13 2,504 16 INBOUND Mar ...
    Shivi82Shivi82
    May 27, 2015 at 9:28 am
    May 28, 2015 at 3:09 pm
  • I am currently working on a health care related project using R. I am learning R while working on data analysis. Below is the part of the data in which i am encountering a problem. Case# Sex Therapy1 ...
    Kengo InagakiKengo Inagaki
    May 27, 2015 at 5:10 pm
    May 28, 2015 at 8:19 pm
  • Dear all, I am looking for a template engine for R. I have already come across {{mustache}} and its R implementation whisker, however I am looking for something with a few more features like "if ...
    Luca CeroneLuca Cerone
    May 16, 2015 at 6:34 am
    May 18, 2015 at 7:00 pm
  • I know how to make one-row header for a data frame using "colnames". Is there any function to insert sub-header between the first row of the data and the header? Thanks Hongsheng (Hank) Liao, PhD ...
    Liao, HongshengLiao, Hongsheng
    May 15, 2015 at 1:55 pm
    May 15, 2015 at 8:36 pm
  • hi eveybody I'm trying something simple (Biocunductor packages), so simple I believe it's example from docs but I get segfault. I don't suppose incorrect scripting can cause segfault, right? regards
    LejeczekLejeczek
    May 5, 2015 at 6:54 pm
    May 8, 2015 at 9:52 am
  • Hi all I all. I am wondering whether anybody know how to export an output of an lm model from R to excel in order to have excel recognize the table that comes and divide the numbers in the table into ...
    Livia Maria VestergaardLivia Maria Vestergaard
    May 6, 2015 at 9:36 am
    May 7, 2015 at 12:48 am
  • Hello All, I am attempting to merge two data frames that naturally contain duplicate entries, however when using either merge or dMerge I get even more duplicates. For example ...
    Frank BurbrinkFrank Burbrink
    May 27, 2015 at 12:12 am
    May 27, 2015 at 8:00 pm
  • Hi everybody, I just can't figure this out: I have a loop trough several dataframes such as for (df in list(df1, df2, df3, ...)) { ..some functions with df.. } now I want to print out the current ...
    Kai MxKai Mx
    May 15, 2015 at 12:05 pm
    May 16, 2015 at 9:33 am
  • Hi, I am looking for a R package providing with variance-covariance matrix computation of univariate time series. Please, any suggestions ? Regards, Giorgio [[alternative HTML version deleted]]
    Giorgio GarzianoGiorgio Garziano
    May 10, 2015 at 11:27 am
    May 11, 2015 at 7:36 am
  • Dear list, I am doing some maximum likelihood estimation using nlminb() with box-constraints to ensure that all parameters are positive. However, nlminb() is behaving strangely and seems to supply ...
    Jean MarchalJean Marchal
    May 7, 2015 at 12:43 am
    May 8, 2015 at 9:29 pm
  • I am trying to plot data by FIPS code using county shapes files. library(data.table) I have data by FIPS code which looks like this: I add leading zeroes by: max_change <- as.data.table(max_change) ...
    Shouro DasguptaShouro Dasgupta
    May 5, 2015 at 3:00 pm
    May 7, 2015 at 2:23 pm
  • Hi, Dear R-helpers, Here below you will find a reproducible fictitious example working except the "abline" function. First thing : I try to draw the regression line (multiple linear regression). I ...
    Varin sachaVarin sacha
    May 5, 2015 at 10:01 pm
    May 6, 2015 at 11:09 pm
  • Hello folks Supposing I have a multidimensional array in an R prog, say a 4D array. I want the coordinate quantities to be read off from a vector. The values in the vector (vec) are generated by a ...
    WRAY NICHOLASWRAY NICHOLAS
    May 30, 2015 at 10:29 am
    May 31, 2015 at 2:01 pm
  • I've been getting a 403 when I try pulling from the Toronto CRAN mirror today. http://cran.utstat.utoronto.ca/ Is there a contact list for mirror managers? -- Cheers, Mark *Mark Drummond* mark at ...
    Mark DrummondMark Drummond
    May 30, 2015 at 2:12 am
    May 30, 2015 at 12:57 pm
  • Dear R list, I am trying to do use the R.matlab library, I did the following, but it does not work. Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]) : there is no ...
    C WC W
    May 28, 2015 at 6:47 pm
    May 29, 2015 at 10:13 pm
  • Assuming datums is a vector of the unique dates in Date... perhaps datums <- sort(unique(dataset1$Date)) I usually set it up like this for (i in 1:length(datums) ) { crnt.date <- datums[i] tmpdat <- ...
    MacQueen, DonMacQueen, Don
    May 20, 2015 at 4:35 pm
    May 21, 2015 at 11:26 pm
  • Maybe someone can help me. Suppose I have data-set like this: Netto Bruto class 1 10 1000 yes 2 100 20 yes Netto Bruto class 1 101 1000 yes 2 100 210 no Netto Bruto class 1 10 10 yes 2 12 28 yes 3 ...
    Soe XiyanSoe Xiyan
    May 19, 2015 at 4:37 pm
    May 21, 2015 at 5:57 am
  • Dears, I have presence and absence data set (8 rows and 33 columns) and when I want to get out of the default two dimensions command using summary(ca(mydata, nd=3)) the following error message ...
    Yonas YohannesYonas Yohannes
    May 17, 2015 at 2:31 pm
    May 19, 2015 at 7:04 am
  • Hi, I have multiple files that I want to compare in R. They contain SNP data with genotype in the 4th column, which is what I want to compare. Is there any easy way to do this? [[alternative HTML ...
    Lyle WarrenLyle Warren
    May 16, 2015 at 10:32 pm
    May 17, 2015 at 1:15 pm
  • I'm helping colleagues with analysis of frog calls at night, and they want to plot call statistics against time. This means we hit a problem: we want the x-axis to start at (say) 18:00 and end at ...
    Bob O'HaraBob O'Hara
    May 12, 2015 at 2:34 pm
    May 15, 2015 at 10:31 am
  • Hello All, Testing my code on a Windows based machine today. ?There seems to be an offending line of code. ?I have pasted it below. ?Basically, I check to see if the user passed a fit method to ...
    Glenn SchultzGlenn Schultz
    May 11, 2015 at 1:03 am
    May 13, 2015 at 3:49 pm
  • Dear All, I have a list, using lapply I find some elements of the list, and then I want to change the values I find. but it doesn't work: foo<-list(A = c(1,3), B =c(1, 2), C = c(3, 1)) lapply(foo, ...
    CeCe
    May 9, 2015 at 11:35 pm
    May 11, 2015 at 1:41 pm
  • I am just now getting around to upgrading from 3.1.2 to 3.2.0 and am getting hammered by a problem which is beyond my limited capabilities of handling. I executed ./configure --with-tcltk --with ...
    Rolf TurnerRolf Turner
    May 10, 2015 at 12:15 pm
    May 11, 2015 at 9:26 am
  • I have some data that I've trouble importing... A B C D E A 1232 0.565 B 2323 0.5656 0.5656 0.5656 C 2323 0.5656 D 2323 0.5656 E 2323 0.5656 F 2323 0.5656 G 2323 0.5656 G 2323 0.5656 0.5656 0.5656 ...
    Kate IgnatiusKate Ignatius
    May 9, 2015 at 2:59 pm
    May 9, 2015 at 11:08 pm
  • Hi I have a dataset of the type attached. Here's my code thus far. dataset <-data.frame(read.delim("data", sep="\t", header=TRUE)); newData<-subset(dataset, select = c(Price, Reliability, Mileage, ...
    Lalitha ViswanathanLalitha Viswanathan
    May 3, 2015 at 9:19 am
    May 4, 2015 at 1:55 pm
  • Hello Experts, I have couple of questions on the analysis I am creating. 1) How does R adopt to changes. The case I have here is that the excel I have started initially had to be modified because the ...
    Shivi82Shivi82
    May 29, 2015 at 11:53 am
    May 30, 2015 at 4:55 am
  • Hi everybody, this is probably a silly question, but I can't find a way to recognize the names that are passed to variables in ellipsis. For example, say I have a "core" function that receives some ...
    Luca CeroneLuca Cerone
    May 28, 2015 at 5:40 pm
    May 29, 2015 at 3:35 am
  • Hi everybody, in one of my packages I store encrypted password. If the user has to change the password in use she can run: update_password(old_password, new_password) The problem is that the commands ...
    Luca CeroneLuca Cerone
    May 27, 2015 at 7:29 am
    May 28, 2015 at 5:44 pm
  • I am trying to run a nonlinear model looking at seasonal abundance of plants with the following limitations: fit.nls.s<-nls(S_a~beta+m*time+alpha*sin(w*time+phi), data= xy, start=list(beta=2.1, m=0, ...
    Jennifer SweatmanJennifer Sweatman
    May 27, 2015 at 8:08 pm
    May 28, 2015 at 5:36 pm
  • Hi all, I realize that the backslash is an escape character in R, therefore, I am trying to replace it with a forward slash. Can someone please suggest how to get this code to work? Error: unexpected ...
    Dan AbnerDan Abner
    May 27, 2015 at 1:30 am
    May 27, 2015 at 1:19 pm
  • HI All, I am trying to load an CSV file into the R project. the code for the same is: mydata<- read.csv("Jan-May Data.csv", header=TRUE) however with this I am getting the below error message ...
    Shivi82Shivi82
    May 25, 2015 at 12:19 pm
    May 26, 2015 at 11:14 am
  • Hi There, I am running a stepwise QTL for a backcross and got the following warning message: Warning message: In lastout[[i]] - (max(lastout[[i]]) - dropresult[rn == qn[i], 3]) : longer object length ...
    Claire O'QuinClaire O'Quin
    May 22, 2015 at 11:07 pm
    May 23, 2015 at 5:40 pm
  • Hello there, I wanted to learn R programming over this summer hence I registered for the R programming course on Coursera. I understood most part of the lecture but I'm having a hard time with the ...
    Varun joshiVarun joshi
    May 22, 2015 at 11:01 pm
    May 23, 2015 at 2:15 pm
  • Dear R users, Could someone help me on this? I have this kind of data set: structure(list(Year = c(1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, ...
    Hafizuddin ArshadHafizuddin Arshad
    May 19, 2015 at 10:10 am
    May 19, 2015 at 8:14 pm
  • Hello, I am Vasilis Chasiotis and I am a candidate Ph.D. student in Aristotle University of Thessaloniki in Greece. I have the following problem. I want to check if the square of a number ( for ...
    ChasiotisvChasiotisv
    May 14, 2015 at 8:44 am
    May 15, 2015 at 12:46 pm
  • I'm starting to put code in multi-use functions rather than in individual scripts and have not learned how to invoke the function from the command line. If this information is in Norman Matloff's ...
    Rich ShepardRich Shepard
    May 7, 2015 at 8:50 pm
    May 8, 2015 at 12:31 am
  • Greetings. [1] How do I move the horizontal axis in a plot so that it starts at the zero of the vertical axis? I tried using ylim=c(0, 2) but it doesn't work. I'd also like to keep the "0.0" along ...
    AndrejfaviaAndrejfavia
    May 25, 2015 at 8:39 pm
    Jun 1, 2015 at 3:32 am
  • I have been attempting to install the R devtools package at work. The version of R is 3.1.2 (Pumpkin Helmet). However, the installation of devtools fails because devtools depends on rversions which ...
    GenGen
    May 28, 2015 at 2:56 am
    May 29, 2015 at 2:42 am
  • Hello All, I have two packages Bond Lab and the Companion to Investing in MBS. ?Bond Lab clears the check and I am working on the on.load() to copy a needed directory per Duncan Murdoch's advise to ...
    Glenn SchultzGlenn Schultz
    May 26, 2015 at 12:24 am
    May 28, 2015 at 12:08 pm
  • Greetings, I am trying to identify at which point during the year 80% of bird breeding observations are. typically I would answer a question like this by finding the median or quartiles but how do I ...
    Daisy Englert DuursmaDaisy Englert Duursma
    May 27, 2015 at 6:35 am
    May 28, 2015 at 9:31 am
  • Hi all, Let's say I have a vector: vv<-c(1,2,3) And suppose I have a function f(a,b), which is a function of 2 scalar inputs. I would like to evaluate this function separately for each element of the ...
    Blue honourBlue honour
    May 27, 2015 at 11:34 pm
    May 28, 2015 at 6:44 am
  • Hi there, Now that R has grown up with a vibrant community. It's no 1 statistical package used by scientists. It's graphics capabilities are amazing. Now it's time to provide native support in "R ...
    SumanSuman
    May 27, 2015 at 3:00 pm
    May 27, 2015 at 6:52 pm
  • Hi all, I am using the lme function to run a random coefficient model. Please see output (mod1) as below. I need to obtain the pvalue for the fixed effect. As you can see, the pvalues given using the ...
    Li liLi li
    May 26, 2015 at 6:13 pm
    May 27, 2015 at 12:09 am
  • Hello , I want to try R for statistics. Therefore, I defined a function f with parameters m and k, which calculates a to sqrt(x) proportional density function: f <- ...
    NaruaNarua
    May 23, 2015 at 10:21 pm
    May 24, 2015 at 5:45 pm
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