Re: [R] Sorting data frame by prepared order

Here is an implementation. > t <- > data.frame(x=c(1,1,1,1,1,2,2,2,2,2),y=c("a","a","a","b","b","a","a","b","b","b")) > t x y 1 1 a 2 1 a 3 1 a 4 1 b 5 1 b 6 2 a 7 2 a 8 2 b 9 2 b 10 2 b > assignSeq function(test) { temp <- test[order(test$x),] InC <- numeric(length(test)) inD <-

[R] vectorize data string analysis

Hello All, I have to admit that I am not that good when it comes to vectorizing a function.  I need some insight.  Is the below a case where vectorization can be accomplished to improve speed? Below the function a sample data - as you can see it is not delimited.  However, the record length i

Re: [R] Looping and break

On 03/03/15 16:08, Jeff Newmiller wrote: Sigh. To be positive is to be wrong at the top of one's lungs. Next I will be told R has a goto statement. I am ***positive*** that it hasn't! :-) Well, 99.999% confident. Although I guess it's not inconceivable that some misguided nerd might constr

Re: [R] Looping and break

Sigh. To be positive is to be wrong at the top of one's lungs. Next I will be told R has a goto statement. --- Jeff NewmillerThe . . Go Live... DCN:Basics: ##.#. ##.#.

Re: [R] Looping and break

On 03/03/15 15:04, Jeff Newmiller wrote: Your example is decidedly not expressed in R, though it looks like you tried. Can you provide the hand-computed result that you are trying to obtain? Note that the reason you cannot find anything about next or break in R is that they don't exist. Point

Re: [R] Looping and break

Your example is decidedly not expressed in R, though it looks like you tried. Can you provide the hand-computed result that you are trying to obtain? Note that the reason you cannot find anything about next or break in R is that they don't exist. There are generally alternative ways to accomplis

Re: [R] Installed R to Windows, but having trouble with read.csv

On 02/03/2015 11:53 AM, Mello Cavallo, Alice wrote: > I copied the file into the bin folder of R ... > > > >> perf_data <- read.csv("PerfResultsCSv.csv") > Error in file(file, "rt") : cannot open the connection > In addition: Warning message: > In file(file, "rt") : > cannot open file 'PerfRes

[R] Looping and break

Hello, I apologies for bringing up next and break in loops given that there is so much on the net about it, but I've tried numerous examples found using Google and just can't seem to get this to work. This is a simple version of what I am doing with matrices but it shows the issue. I need to have

Re: [R] Sum upto every twelth cell in a column

Here is an implementation. > (x <- > c(23,35,22,11,10,1,14,15,13,15,17,16,154,13,24,25,25,25,25,25,22,11,15,15)) [1] 23 35 22 11 10 1 14 15 13 15 17 16 154 13 24 25 25 25 25 25 22 11 15 15 > (y <- c(0,cumsum(x))) [1] 0 23 58 80 91 101 102 116 131 144 159 176 192 346

Re: [R] R Help

Better ask for local help if you can't reduce your code to some minimal examples so that we can understand easily what you are looking for. On 02.03.2015 10:38, Rami Alzebdieh wrote: Dear Sir, I start using (R) 3 months ago, and I am still learning, Same for me after more than 16 year

Re: [R] How to decide " weight" in WLS model in R ?

Angela: These are statistical, not R, issues I believe, and you appear to be out of your depth statistically here. I suggest you talk to a local statistical resource or, if you can't find such help, post on a statistical site like stats.stackexchange.com. Cheers, Bert Bert Gunter Genentech Noncl

[R] R Help

Dear Sir, I start using (R) 3 months ago, and I am still learning, I have a project and I am using R in this project, my friend helped me to build a code for this project and it's working perfect, but I need to make a small change in, it looks very simple but for me it's very complicated. I ins

[R] How to decide " weight" in WLS model in R ?

Hi, I would like to know how to decide the "weight" in a WLS model in R? For example, In the" pipeline " data from faraway, I try to fit a regression model Lab ~ Field (non-constant variance). I wish to use weights to account for the non-constant variance. So how to decide the weight in the WLS m

[R] rms package: error with Glm

Dear R-help, I'm getting an error with Glm (from the rms package) when the equivalent model using glm does not give an error. This is using rms 4.3-0 in R 3.1.1. An example is shown below. I have set the seed value, but the error is not specific to this seed value. Thanks for any help anyone can

[R] table

Hello List, I am trying to obtain a table containing absolute and relative frequencies but it must be done by strata. Each strata have to contain totals and subtotals being the sum of the subtotals equal to the total in upper strata in same column. As this could be some vague I am includi

Re: [R] Installed R to Windows, but having trouble with read.csv

Is this file in your working directory? (To know your working directory use: getwd() ) If not, put it in there. 2015-03-02 11:53 GMT-05:00 Mello Cavallo, Alice : > I copied the file into the bin folder of R ... > > > > > perf_data <- read.csv("PerfResultsCSv.csv") > Error in file(file, "rt") :

[R] Installed R to Windows, but having trouble with read.csv

I copied the file into the bin folder of R ... > perf_data <- read.csv("PerfResultsCSv.csv") Error in file(file, "rt") : cannot open the connection In addition: Warning message: In file(file, "rt") : cannot open file 'PerfResultsCSv.csv': No such file or directory I also installed and load RW

[R] R crashes when I run rgeos::gDistance

Hi, This is my first post to R-help. I'm having trouble getting rgeos to work. Info on the server and packages I'm using: $ *uname -a* Linux some-server.somewhere.com 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux $ *R --version* R version 3.0.2 (

Re: [R] How to speed up a double loop?

Hi Petr, Thanks for your reply, Actually it's not what I'm looking for. The aim is not simply to remove each value > 15. In my loop, I consider the first numeric value of my column as "correct". Then, I want to test the second value. If the absolute difference with the previous correct one is <

Re: [R] readHTMLTable() in XML package

This somewhat simpler rvest code does the trick for me: library(rvest) library(dplyr) i <- 1:10 urls <- paste0('http://games.crossfit.com/scores/leaderboard.php?stage=5', '&sort=0&division=1®ion=0&numberperpage=100&competition=0&frontpage=0', '&expanded=1&year=15&full=1&showtoggles=0&hidedrop

Re: [R] numbering consecutive rows based on length criteria

Dear Eric, Here is a solution using the plyr package. library(plyr) dat$flg <- dat$wRes.Q>dat$noRes.Q dat$group <- cumsum(c(0, abs(diff(dat$flg ddply(dat, "group", function(x){ if(x$flg[1] && nrow(x) >= 5){ x$plygn <- seq_along(x$group) } else { x$plygn <- NA } x }) Best rega

Re: [R] numbering consecutive rows based on length criteria

On Mar 2, 2015, at 11:43 AM, Morway, Eric wrote: > > Using this dataset: > > dat <- read.table(textConnection("daynoRes.QwRes.Q > 1 237074.41 215409.41 > 2 2336240.20 164835.16 > 3 84855.42 357062.72 > 4 76993.48 386326.78 > 5 73489.47 307144.09 > 6 70246.96 75885.75 > 7 6963

[R] numbering consecutive rows based on length criteria

Using this dataset: dat <- read.table(textConnection("daynoRes.QwRes.Q 1 237074.41 215409.41 2 2336240.20 164835.16 3 84855.42 357062.72 4 76993.48 386326.78 5 73489.47 307144.09 6 70246.96 75885.75 7 69630.09 74054.33 8 66714.78 70071.80 9 122296.90 66579.08 10

[R] readHTMLTable() in XML package

I'm having trouble pulling down data from a website with my code below as I keep encountering the same error, but the error occurs on different pages. My code below loops through a wensite and grabs data from the html table. The error appears on different pages at different times and I'm not sur

Re: [R] How to speed up a double loop?

Hi I do not see much logic in your removal of "outliers". you can easily find which values differ from previous one by more than 15 myts[c(FALSE,abs(diff(myts$x))>15),] but I did not understand why do you keep values from row 8 and 10. Your example can be solved by myts$y[myts$x>15]<-1 myts$x

Re: [R] Sorting data frame by prepared order

Hi, Maybe a beginning of solution with this? test <- data.frame(x=c(1,1,1,1,1,1,2,2,2,2,2,2),y=c("a","a","a","b","b","b","a","a","b","b","b","a")) test[order(test$x),] out <- split(test,test$x) for (i in 1:length(out)) { foo <- unique(out[[i]][,2]) out[[i]][,2] <- rep(foo,(nrow(out[[

[R] How to speed up a double loop?

Dear R-users, I would like to speed up a double-loop I developed for detecting and removing outliers in my whole data.frame. The idea is to remove data with a too big difference with the previous value. If detected, this test must be done here on maximum the next 10 values following the last corre

Re: [R] RWebdriver and RSelenium returns the same error while trying to connect the java server

Is this a very recent version of Firefox? Have a look at the thread Re: [R] Firefox not showing R help. It could be related, in which case you might want to try the up-to-the-minute latest version of R-patched (aka 3.1.3RC). Otherwise, as usual, you may need to talk with the relevant package

Re: [R] Dummy variable in ARIMA

Have a look at the caschrono package. There's an excellent associated book by the author of the package -Yves Aragon- but it's in French; if you don't read French, the package documentation is very clear. José -Original Message- From: R-help [mailto:r-help-boun...@r-project.org] On Beh

Re: [R] Firefox not showing R help.

On 01/03/2015 17:21, Duncan Murdoch wrote: On 01/03/2015 10:13 AM, Ista Zahn wrote: I think this might be due to the removal of the -remote option in firefox. Some discussion and details are available at https://lists.gnu.org/archive/html/emacs-orgmode/2015-02/msg00946.html Yes, that's it. R