similar to: function for grouping

Dear R users, I need to add 0 in front of a series of numbers, e.g. 1->001, 19->019, Is there a fast way of doing that? Many thanks yan [[alternative HTML version deleted]]

Dear R guru: If I got a variable aaa<- "up.6.11(16)" how can I extract 16 out of the bracket? I could use substr, e.g. substr(aaa, start=1, stop=2) [1] "up" But it needs start and stop, what if my start or stop is not fixed, I just want the number inside the bracket, how can I achieve this? Many thanks yan

Dear R user How to make the program stop at the spot where the error occurs? I mean inside the iterations,. Many thanks yan ********************************************************************** This email and any files transmitted with it are confide...{{dropped:10}}

Dear All I'm trying to sort a matrix using function order, Some thing really odd: e.g. abc<-cbind(c(1,6,2),c(2,5,3),c(3,2,1))## matrix I want to sort if I do abc[ order(abc[,3]), increasing = TRUE] the result is correct [,1] [,2] [,3] [1,] 2 3 1 [2,] 6 5 2 [3,] 1 2 3 But if I want to sort in decresing order: abc[ order(abc[,3]), decreasing = TRUE] the

Hello. Im hoping someone can help with a grouping question related to the "random=" statement within the nlme function. How do you specify that some grouping levels are inner to others? I tried several things, given below. Lets say I have a data frame with five variables, resp, cov1, ran1, ran2, group1, and group 2. The formula is resp~cov1 + ran1 + ran2, where the ran are random

Can someone help with a fairly simple task? I have a data set where I would like to insert a 0 time event between individuals: what I have: VAR DATE TIME CONC COVAR 1 NOV2 0.25 10 group1 1 NOV2 0.5 20 group1 1 NOV2 1 5 group1 1 NOV2 2 1 group1 1 NOV2 3 0.1 group1 2 NOV2 0.25 10

Dear all, I'm just wondering how to submit a package to cran? I followed the instruction, using anonymous as username and my email address as password, but it didn't connect. Any hints? Yan [[alternative HTML version deleted]]

Hi All, Is there a simple way to convert a string such as c("A", "B" ,"C", "D") to a string of c("Group1", "Group1", "Group2", "Group2"). Naturally I could use the factor function as below but I don't like seeing that warning message (and I don't want to turn off warning messages). Perhaps a function

Full_Name: Martha Nason Version: 2.0.1 OS: Windows XP Submission from: (NULL) (137.187.154.154) I am running simulations using fisher's test on 2 x c tables and a very small p.value from fisher's test (<2.2e-16) is returned as a negative number. Code follows. > set.seed(0) > nreps.outer <-7 > pvalue.fisher <- rep(NA,nreps.outer) > > population1 <- c(

Dear brainy R users, I need to output a matrix, with two colors , meaning some elements using different color I normally use write.table(table.m, file="table file name.csv", sep=","), how could I pass the index for the color ? Many thanks yan ********************************************************************** This email and any files transmitted with it are

Dear R gurus, If I got a vector with string characters like "abcd_efgh_12ab3_dfsfd", how could I extract "12ab3", which is the characters after second underscore and before the third underscore? Tons of thanks yan ********************************************************************** This email and any files transmitted with it are confide...{{dropped:10}}

Dear R users I need to solve the finding all cliques in a graph problem, is there a R package implementing Bron-Kerbosch algorithm? Many thanks YAn ********************************************************************** This email and any files transmitted with it are confide...{{dropped:10}}

Dear R users, I'm trying to add a regression line on my boxplots (something like:boxplot(c(1:3),c(4:6),c(5:8))) But I can't see it. Please help !!! It's not a April fool's joke!!! Yan [[alternative HTML version deleted]]

Dear list, I would like to do some calculation using different grouping variables. My 'df' looks like this: # Some data set.seed(345) id <- seq(200,400, by=10) ids <- sample(substr(id,1,1)) group1 <- rep(1:3, each=7) group2 <- rep(1:2, c(10,11)) group3 <- rep(1:4, c(5,5,5,6)) df <- data.frame(id, ids, group1, group2, group3) df <- rbind(df, df, df) df$time <-

Hi list, I need to create the following share: user1 can create a file in the share but can't erase or change; user1 can just read the file when he creates it; user2 can delete and change the file user1 has created; I did like this: user1 is member of group group1; user2 is member of group group2; [share] path = /home/share read only = No write list = @group2

Hello All, I have posted to this list before regarding the same issue so I apologize for the multiple e-mails. I am still struggling with this issue so I thought I'd give it another try. This time I have included reproducible code and a subset of the data I am analyzing. I am running an ANOVA with three factors: GROUP (5 levels), FEATURE (2 levels), and PATIENT (2 levels), where

Hi, my dependent variable is a proportion ("prob.bind"), and the independent variables are factors for group membership ("group") and a covariate ("capacity"). I am interested in the effects of group, capacity, and their interaction. Each subject is observed on all (4) levels of capacity (I use capacity as a covariate because the effect of this variable is normatively

Hello, I'm looking for a solution to my problem : i have a samba server with ldap auth on Debian ETCH. I need to configure this samba for multi-group and multi-users. Example : user 1 (from group1) have to see his own directory (for writing), his group' directory (for writing and sharing) but also the "homes" of others users from this group... user2 (from group2)

Hi all, I have a (simple?) question about groups. this is my scenario: Windows Active directory domain Samba file server ADS integrated 2 shares on this last server (share1, share2) 2 groups on the AD (group1 and group2) First share is only fully available to group1: this is easily done second share is fully available to group2 --- Then I have some users belonging to both group1 and

Hi all, I would like to transform to long format a matrix which has only information about individuals and a value for each individual. I would like to have it in ling format with more information related to groups, so ell values and individuals are repeated for each group. Let me show the example: matrix in wide format: Individuals Value A 3 B 4 C 5 D 2 And long format would