similar to: 64 bit Linux/Ubuntu memory limit problem?

Dear list, After searching many old posts, I can't find the solution to a simple problem. can someone tell me how to create a character string with multiple backslashes, as in: file_dir <- c("C:\files\data\") I need to create this string and then paste it to many files names for batch processing in another software program. R won't accept the backslash and removes

Dear list, I'm trying to download a text file directly from the internet using the RCurl package and the command getURL. Duncan Lang graciously helped me solve the first step in this problem using the following command: ################# txtfile <- getURL('ftp://ftp.wcc.nrcs.usda.gov/data/snow/snow_course/table/history/idaho/13e19.txt', ftp.use.epsv = FALSE) #################

Dear list, I'm trying to write my first looping function in R. After many hours of searching help files and previous posts, I'm at wits end. Please forgive my programming ignorance...any help is greatly appreciated. I need to sort through a vector (x) and identify the point at which 2 successive values become smaller than the previous value. I've written a "while"

Dear List, I'm stuck on what seems like a simple indexing problem, I'd be very grateful to anyone willing to help me out. I queried a dataframe which returns a character vector called "plot". I have another dataframe from which I want to subset or select only those rows that match "plot". I've tried subset, and also the "which" command. plot

Greetings R list, I am stuck on a simple syntax problem. I want to list all files in a directory, excluding files of a certain type. I have tried pattern matching as follows: a <- list.files(data, full.name = TRUE, pattern != ".xml") # exclude all .xml files The warning returns that my syntax is incorrect. I have read the regexpr help files and search old posts to no

Dear list, I would like to plot 2 series of numbers with very different ranges/scales as lines on the same plot. I assumed this is commonly done and easy, but I have not found any help files (e.g. axis() or matplot() that show how. I've searched many old posts to no avail. I'll be very grateful for any suggestions on how this is done. Best, Zack

Dear list, I am trying to download a text file from an ftp site using download.file(). I used the following code: url <- "ftp://ftp.wcc.nrcs.usda.gov/data/snow/snow_course/table/history/idaho/13e19.txt" dest <- "c:/test/downloadtest.txt" download.file(url, dest) I get this error message, indicating that R is unable to open the connection: trying URL

Dear list, I'd like to use path.analysis in the package agricolae in batch format on many files, retrieving the path coefficients for each run and appending them to a table. I don't see any posts in the help files about this package or the path.analysis package. I've tried creating an object out of the call to path.analysis, but no matter what I try, the function automatically prints

Dear list, Below I've written a clunky for loop that counts NA's in a row, replacing all with NA if there are more than 3 missing values, or keeping the values if 4 or more are present. This is sample code from a very large dataframe I'm trying to clean up. I know there are many simpler more elegant solutions to this little problem. Would someone be willing to show me how to

Dear R wizards, I have a folder containing 1000 files. For each file, I need to extract the first row of each file, paste it to a new file, then write out that file. Then I need to repeat this operation for each additional row (row 2, then row 3, etc) for 23 rows in each file. I can do this with a for loop (as below). Is there a way to use some of the indexing power of R to get around this

Yes windows How can i install from zip? Here is my command > install.packages("shiny") Installing package into ?C:/Users/Zack/Documents/R/win-library/3.4? (as ?lib? is unspecified) There is a binary version available but the source version is later: binary source needs_compilation shiny 1.0.3 1.0.4 FALSE installing the source package ?shiny? trying URL

I am an R user trying to get around the 2Gig memory limit in Windows, so here I am days later with a working Ubuntu, and R under Ubuntu. But - the memory problems seem worse than ever. R code that worked under windows fails, unable to allocate memory. Searching around the web, it appears that the problem may be the ability to find contguous memory for my big vectors, but a fresh boot of

Dear Zack At a guess you are on Windows and instead of installing from the zip file you are trying to install from source. If you do not grasp the difference try posting again showing us exactly what command you used and confirm your operating system Please also post in plain text not HTML as your message may get scrambled in transit. On 15/08/2017 14:11, Zack Haney wrote: > Very New to R

Im using restful authentication, and i changed the username model from login to username. The error is Mysql::Error: Key column ''login'' doesn''t exist in table: CREATE UNIQUE INDEX `index_users_on_login` Heres the trace: DEPRECATION WARNING: Rake tasks in vendor/plugins/restful-authentication/tasks are deprecated. Use lib/tasks instead. (called from

It appears dereferencing the use iterator returned the "user" in older LLVM versions. See the following commit to Use.h. You can see that the intention is to return the "user". So this is not the behavior anymore. https://github.com/llvm-mirror/llvm/commit/d1fe495464e4abc384565813cbf1cb8b130e5a6d - // Retrieve a pointer to the current User.- UserTy *operator*() const {-

Very New to R trying to get setup but when i try to install shiny i get trying URL 'http://cran.rstudio.com/src/contrib/shiny_1.0.4.tar.gz' Content type 'application/x-gzip' length 2329723 bytes (2.2 MB) downloaded 2.2 MB Warning in install.packages : running command '"C:/PROGRA~1/R/R-34~1.1/bin/x64/R" CMD INSTALL -l

Thanks Jeff I got the Bioconductor packages installed and tried googling the 65535 tried some things and still get the same error. On Fri, Aug 18, 2017 at 10:59 AM, Jeff Newmiller <jdnewmil at dcn.davis.ca.us> wrote: > You just need to READ the error messages and use Google. > > Don't try to install tcltk. > > The other two packages are not available through CRAN...

You just need to READ the error messages and use Google. Don't try to install tcltk. The other two packages are not available through CRAN... they are Bioconductor packages. (Not supported here... use Google.) And learn to post plain text in the future to avoid scrambling what you thought you sent before we see it. Read the Posting Guide. -- Sent from my phone. Please excuse my brevity.

I am relatively new to R, so this may be a much simpler question than it seems to me. I am trying to create a function that includes two summations, and can't figure out how. I am attaching the equation as a pdf file. This function will then be optimized over a chosen range of values, but right now I just need help with the function. Thank you. Zack Darnell Duke University -- Zack

so I am trying to get my R setup to run this users package. Any help would be great THANKS devtools::install_github(repo = "dadrivr/ffanalytics") I get this devtools::install_github(repo = "dadrivr/ffanalytics") Downloading GitHub repo dadrivr/ffanalytics at master from URL https://api.github.com/repos/dadrivr/ffanalytics/zipball/master Installing ffanalytics