similar to: sum a particular column by group

Dear all, I am struggling with a small problem. By using aggregate, the empty subsets are removed. I need each empty subset to be 0. Any suggestions will be appreciated. Code: edref = aggregate(rep(1,times=dim(eds)[1]),list(eds[,11], eds[,7], eds[,27]), sum) Thanks in advance, Betty [[alternative HTML version deleted]]

Dear all, I''d like to ask help on R code to get the same results as the following Splus code: >indata<-importData("/home/data_new.csv") >indata[1:5,4] [1] 0930 1601 1006 1032 1020 I tried the following R code: > indata<-read.csv("/home/data_new.csv") > indata[1:5,4] [1] 930 1601 1006 1032 1020 I''d like the first

Dear all, I am writing to ask for help to find R code to do the same thing as the following Splus code: dates <- c("02/27/1992", "02/27/1992", "01/14/1992", "02/28/1992", "02/01/1992") timeDate(as.character(dates),in.format="%m/%d/%Y","%a") [1] Thu Thu Tue Fri Sat Could anyone give me some R codes to get the

Dear R-users, I am trying to add some text in a textbox to all panels in the following example file. Using the panel-function, I can add a white rectangle with panel.rect but then I have to fit in the text into the box by hand and it will not automatically be centered. Does anyone know how to add the text centered with a white box around it automatically? Is there something like panel.textbox for

Dear R-users, I have a couple of questions about the relsurv package: 1) when I try to run the example: fit <- rsmul(Surv(time,cens)~sex+as.factor(agegr)+ratetable(age=age*365.24,sex=sex,year=year),ratetable=slopop,data=rdata) with the datasets in the package (rdata and slopop) it gives me an error: Error in nrow(x) : object "x" not found 2) If I have a date format

Dear members, I am trying to use boot () to compute the distributions of a statistic of a data set. The statistic is defined in the following code: eds<-function(x) { r<-cor(x) paren<-1-abs(r)/2 denom<-sum(sum(paren)+0.5) desvio<-sd(x) media<-mean(x) a<-desvio/media

Dear R-user, I have a data like this below, age <- c("young","mid","old") married <- c("no","yes") income <- c("low","high","medium") gender <- c("female","male") I want to make some of combination data like these, age.income.dat <- expand.grid(age,

Dear R-Users, I've recently used relsurv package for relative survival analysis. In particular I've tried to reproduce the examples proposed in the R-documentation about rsadd, rsmul and rstrans functions in R latest version (R 2.14.1). These examples don't run and the error message is always the following: data(slopop) data(rdata)

Hello. I am attempting to duplicate a negative binomial regression in R. SAS uses generalized estimating equations for model fitting in the GENMOD procedure. proc genmod data=mydata (where=(gender='F')); by agegroup; class id gender type; model count = var1 var2 var3 /dist=NB link=log offset=lregtm; repeated subject=id /type=exch; run; Since my dataset has several observations for

Hello all, I have two test beds running the exact same version of asterisk 1.2.7.1, latest of zaptel, libpri, etc.. Test bed #1 (Solaris 9,sparc ultra 5): This one is closer to a "production" machine, in that it is connected to a sip provider thru an iax2 connection and have an incoming DID configured. I can send and receive calls. Test bed #2 (Slackware Linux 10.2, AMD XP chip):

I am new to R and have tried for a good while to figure out how to code this in R. The dataset below: FTIStandKey State County FTITract CoverType Ver_CT V_Origin V_SpGrp NAH6005-001 Texas Jasper NAH6005 PPLB-2000-U PPLB-2000-U P P NAH6005-002 Texas Jasper NAH6005 NHHX-1950-O NHHX-1950-I N H NAH6253-001 Texas Tyler NAH6253 PPLB-2001-U PPLB-2001-U P P

I currently have a data set describing human subjects enrolled into an international clinical trial, the name of the hospital enrolling this human subject, the date when the subject was enrolled, and a vector with variables representing characteristics of the site (e.g., number of beds in a hospital). my data sets looks like this: subject hospital date_enrollment hospital_beds 1 hospitalA

Hi, I'm looking for help extracting some information of the zillow website. I'd like to do this for the general case where I manually change the address by modifying the url (see code below). With the url containing the address, I'd like to be able to extract the same information each time. The specific information I'd like to be able to extract includes the homedetails url, price

I am trying to read some data off the zillow site. Newbie to xml, html, parsing and the xml package. I've been able to load the web page I'm interested with the following code but I'm not sure of the next step to get the information I'm interested in into R : library(XML) url <- "http://www.zillow.com/homes/511 W Lafayette St, Norristown, PA_rb" doc <-doc <-

On 03/21/2018 10:34 PM, @lbutlr wrote: > The question is does it allow remote users to login with no password? Yes, and the answer is: no. > If not, then the message ie nearly notification that login without a password is potentially possible. Yes, but a worrying one. That's why i decided to post here. > I have no idea why you would have nopassword=y set in the first place, so it

Hello, all. I've been working on this for sometime and was almost at the end/ last chunk of code i would need.... When I received an error. Rather than go to bed and think about it in the morning, I messed with my data and now I am not getting anything. I was up until 4am trying to fix this. Zip files of my data are attached (the data which ends in 'a' matches with wvsA and the

Hello there, I am working on an extremely unbalanced two class classification problems. I wanna use "classwt" with "down sampling" together. By checking the rfNews() in R, it looks that classwt is not working yet. Then I looked at the software from Salford. I did not find the down sampling option. I am wondering if you have any experience to deal with this problem. Do you

Dear everyone, I have looked all over the internet but I cannot find a way to solve my problem. In my data I want to sum a couple of variables. Some of these variables have NA values, and when I add them together, the result is NA dat <- data.frame( id = gl(5,1), var1 = rnorm(5, 10), var2 = rnorm(5, 7), var3 = rnorm(5, 6), var4 = rnorm(5, 3), var5 = rnorm(5, 8) ) dat[3,3] <- NA dat[4,5]

Last week one of our clients reported trouble with a csv file I generated with write.table. He said that columns with quotes for character variables were rejected by their data importer, which was revised to match the way Microsoft Excel uses quotation marks in character variables. I explained to them that quoted character variables are virtuous and wise, of course, but they say Microsoft Excel

hi, all: i want to add a function in xen. in the function i need to call the "printk" to display the values of some variables. i found the definition of printk() in file "xen-3.1.0-src\xen\include\xen\lib.h ": extern void printk(const char *format, ...) __attribute__ ((format (printf, 1, 2))); who can tell me the location of printk()? thanks in advance. 2008-04-26