similar to: The *tmp* variable

http://www.cs.purdue.edu/homes/jv/pubs/ecoop12.pdf A new paper out on R the language -- I'm not all the way through it but it's been an interesting read so far. Thought it might be of interest to the list. Michael Weylandt [[alternative HTML version deleted]]

Hello, I'm analysing reaction time data from a linguistic experiment (a variant of a lexical decision task). To ascertain that the data was normally distributed, I used *shapiro.test *for each participant (see commands below), but only one out of 21 returns a p value above p.0 05. > f = function(dfr) return(shapiro.test(dfr$Target.RTinv)$p.value) > p = as.vector(by(newdat,

Hello all, There is currently a (very !) lively discussions happening around the web, surrounding the following topics: 1) Is R efficient? (scripting wise, and performance wise) 2) Should R be written from scratch? 3) What should be the license of R (if it was made a new)? Very serious people have taken part in the debates so far. I hope to let you know of the places I came by, so you might be

My intention is to give a presentation about R programming language for software developers. I would like to ask, what are the things that make R different from other programming languages? What are the specific cases where Java/C#/Python developer might say "Wow, that was neat!"? What are the things that are easy in R, but very difficult in other programming languages (like Java)?

Julia and OpenMP 4.0 have features where the user can bless a loop as having no memory dependences that prevent vectorization, thus enabling vectorization of loops not amenable to compile-time or run-time dependence analysis. LLVM currently has no metadata to express such, as explained further below. I'd like to propose new metadata that enables front-ends to tell the vectorizer that

llvm-diva - Debug Information Visual Analyzer Carlos Alberto Enciso, Sony Interactive Entertainment LLVM supports multiple debug information formats (namely DWARF and CodeView) in different binary formats (e.g. ELF, PDB, Mach-O). Understanding the mappings between source code and debug information can be complex, and it's a problem we've commonly encountered when triaging debug

Dear Duncun, What if there is no interactive "session" running? I will be running my scripts automatically from crontab in Linux. THanking you, Yours sincerely, AKSHAY M KULKARNI ________________________________ From: Duncan Murdoch <murdoch.duncan at gmail.com> Sent: Monday, March 20, 2023 12:20 AM To: akshay kulkarni <akshay_e4 at hotmail.com>; R

The setup: I have a data frame where one column is in list mode, and each entry contains a vector of varying length. I want to expand this into a data frame with one row for each member of the list-mode column (the other values being replicated) For example, an example input and the desired output would be: input <- data.frame(site = 1:6, sector =

WARNING: COMPLETELY OFF TOPIC -- Nothing to do with R. I thought readers of this list might enjoy the following. The link to the full article is at the bottom. I hope this is not "too" inappropriate. ------- Overconfidence in crime statistics doesn?t pay. In a new study, a team of criminologists makes the case that reported crime rates should acknowledge uncertainty in the data. The

I'm trying to move from Matlab to R, and I'm stuck even getting started. This sounds to me like the dumbest question in the world but... how does one put R source code in files? Over the last three days I've gone front to back through the Introduction to R and the R Language Definition, and while I'm excited that the language is so Lispish, none of what I read described how to

On 18/03/2023 1:57 p.m., akshay kulkarni wrote: > Dear members, > The documentation for source() says: > > Input is read and parsed from that file until the end of the file is reached, then the parsed expressions are evaluated sequentially in the chosen environment. > > What does this mean? I presume that any objects that are CREATED by the script

It's a problem in the OpenMP specification. The authors (including some from Intel) intended that the OpenMP simd construct assert no lexically backward dependences exist, but as you say, it's not obvious from the spec. One of our OpenMP community members is going to bring up the ambiguity with the OpenMP committee. - Arch -----Original Message----- From: Humphreys, Jonathan

On 19/03/2023 2:33 p.m., akshay kulkarni wrote: > Dear Duncun, > ? ? ? ? ? ? ? ? ? ? ? ? ?thanks for the reply.... > > So when I run a script in the system command line by R CMD BATCH, the > objects created in the script cannot be stored in the workspace ,right? > If yes, how to save them? Moreover, the only way to save the objects > CREATED from the script permanently is

On 19/03/2023 2:55 p.m., akshay kulkarni wrote: > Dear Duncun, > ? ? ? ? ? ? ? ? ? ? ? ? ?What if there is no interactive "session" > running? I will be running my scripts automatically from crontab in Linux. I was talking about the session that is created for the duration of the BATCH run, not some other session that may be running in another process. Sorry for the

Dear Duncun, thanks for the reply.... So when I run a script in the system command line by R CMD BATCH, the objects created in the script cannot be stored in the workspace ,right? If yes, how to save them? Moreover, the only way to save the objects CREATED from the script permanently is to save them to the disk, right? THanking you, yours sincerely, AKSHAY M KULKARNI

Consider the data.frame: df <- data.frame(A = c(1,4,2,6,7,3,6), B= c(3,7,2,7,3,5,4), C = c(2,7,5,2,7,4,5), index = c("A","B","A","C","B","B","C")) I want to select the column specified in 'index' for every row of 'df', to get goal <- c(1, 7, 2, 2, 3, 5, 5) This sounds a lot like the indexing-by-a-matrix

Interestingly, as.list(substitute(...())) also works. On Sun, Aug 12, 2018 at 1:16 PM, Duncan Murdoch <murdoch.duncan at gmail.com> wrote: > On 12/08/2018 4:00 PM, Henrik Bengtsson wrote: >> >> Hi. For any number of *known* arguments, we can do: >> >> one <- function(a) list(a = substitute(a)) >> two <- function(a, b) list(a = substitute(a), b =

----- Original Message ----- > From: "Roel Jordans" <r.jordans at tue.nl> > To: llvmdev at cs.uiuc.edu > Sent: Wednesday, August 13, 2014 5:57:15 AM > Subject: Re: [LLVMdev] Proposal for ""llvm.mem.vectorize.safelen" > > > > > WHY CURRENT METADATA DOES NOT SUFFICE > > ------------------------------------- > > > > There

> Sorry for coming to the discussion so late. I have a couple of questions/comments: Actually, you're note is timely, because I'm planning to send out a patch (as soon as I update LangRef and rerun tests) that supports safelen but *not* lexical dependences. I don't need the safelen for Julia, but having done the work and seeing that OpenMP needs it, feel that I should finish the

What do _you_ mean when you use the term "interactive"? Because R distinguishes between executing code in a function and executing code from the global environment, but it does not care whether a person is doing the typing or not. I get the feeling that you think of your R code in terms of "scripts" when you should be thinking of your code in terms of functions. What