search for: huajie

Hi I have a data table matrix,"data" which looks like below:- V1 V2 V3 1 -6382.719 -1096.554 6998994 2 -some values- 3 -some values- 4 -some values- 5 -some values- Querying dim of "data" gives me 3 columns and 5 rows. And currently I want to plot "V1" against "V2" with the condition that I want to mark(color) the point(row 5) on the

Hi, I have a data file which is named test.txt as below. Prior to that, I have converted the last row from nominal to numeric using as.integer. Statement T1001 T1002 T1003 T1004 T1005 T100 T1014 T1021 T1022 T1023 1 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 1 0 0 3 0 1 0 0 1 0

Hi, I am aware this is somehow FAQ question but I ve been searching from R-cran archive about the related matter and could not find anything closer to this. I want to upgrade my R version from 2.5.1. to 2.7.1. What is the best way to load the latest one apart from installing the packages (tar.gz) from http://cran.ms.unimelb.edu.au/? Please help. Thanks.. [[alternative HTML version deleted]]

...mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ------------------------------ Message: 29 Date: Tue, 30 Sep 2008 00:37:41 +1000 From: "Jason Lee" <huajie.lee at gmail.com> Subject: [R] How to remove columns of table in R recursively To: r-help at r-project.org Message-ID: <a847b5a10809290737w4462cadds41f8d39fe508f0fc at mail.gmail.com> Content-Type: text/plain Hi R-list, I would like to know how to perform any elimination of attribute (c...

I want to take the first row of each unique ID value from a data frame. For instance > ddTable <- 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 > unique(ddTable) Will give me all 4 rows, and > unique(ddTable$Id) Will give me c(1,2), but not accompanied by the name column.

Hi, I came across the below error when I try to do ifelse condition:- Error in "[<-"(`*tmp*`, test, value = rep(yes, length = length(ans))[test]) : incompatible types What I am trying to accomplish is :- for(x in 1:ncol(filterpred)){ sumno<-sum(filterpred[no,x]) sumyes<-sum(filterpred[yes,x]) ifelse(sumno==0 && sumyes !=0,

Hi, I have a couple of text and would like to automate of reading these multiple files using (namely; text1.txt, text2.txt....) for(y in 3:10){ data$y<-read.table('text$y.txt')} But it seems not allow. Any idea? Thanks. [[alternative HTML version deleted]]

Hi, Recently I try to install Biobase component using the tutorials from cran.r-project.org/doc/Rnews/Rnews_2006-5.pdf I tried u <- "http://bioconductor.org/biocLite.R" > source(u) > biocLite("pkgDepTools", dependencies=TRUE) Running biocinstall version 2.0.8 with R version 2.5.1 Your version of R requires version 2.0 of Bioconductor. Warning in

Hi R-listers, I would like to know how can i extract component no. when the RMSEP is lowest? Currently, I only plot it manually and then only feed the ncomp to the jack knife command. However, I would like to automate this step. Please let me know. Many thanks. Rgrds, [[alternative HTML version deleted]]

Hi R-list, I would like to know how to perform any elimination of attribute (column) in R. E.g I have:- 20,21,22,23,24,25,normal 1,2,3,4,5,5,normal 0,1,0,2,3,4,abnormal ... I intend to do a checking on each column:- If the column sum of abnormal is 0 but the column sum of normal is nonzero, i wanted to eliminate this attribute. And so on and so forth observing other attributes across the

Hi, I have a data frame which format is like below:- X Y Z 131 22.2 3.4 4.4 150 20.0 12.2 4.5 etc... And I have sorted the data frame. However, I would like to grab one of these elements in the data frame. Also, i would like to number these rows so that when i grab a particular line let say 150, it is able to return me the position of the row rather than the "150".

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 i try executing on my own Pc (except it runs extremely slow). Any pointers to this? I tried to read the FAQ on this issue before in the archive but it seems there is no one solution to this. I

Hi, Currently I have a dataset of 2400*408. And I would like to apply PCR method to study the any correlation between the tests. My current data is in data.frame and I have formed horizontal(1-407) to be the exact data, and (408) to be my results data(Yes and No) I have also binarized these Yes and No to 1 and -1s. However, when I refer to PCR manual on R, the example of yarn.pcr <-

Hi, I just started using R for about one week and I have few problems. i)I have a problem in finding right function to convert a table of natural numbers to bitwise. For a simple example; I have the below table:- Column Col1 Col2 Col3 Sample1 5 7 10 Sample2 0 2 1 Sample3 4 0 0 Supposedly i wanted to convert to :- Column Col1 Col2 Col3