similar to: R style guide

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Hi: I am looking for "style guides" for larger R programs, and would like suggestions of web pages or documents to look at. I am particularly interested in guidelines for how to structure programs, and such issues as managing scope, passing data around, data hiding, and so forth. I do have some understanding of how scope works, and how object-oriented programming does or might work.

On Wed, Jan 17, 2018 at 1:27 PM Chandler Carruth <chandlerc at gmail.com> wrote: > On Tue, Jan 16, 2018 at 11:35 AM Philip Reames <listmail at philipreames.com> > wrote: > >> >> >> On 01/16/2018 09:21 AM, David Blaikie via llvm-dev wrote: >> >> Context: I've been looking at experimenting with using Modular Code >> Generation (My talk at

On Wed, Oct 8, 2014 at 7:20 PM, Nick Kledzik <kledzik at apple.com> wrote: > Sure, I actually have no problem with this. > > I'm going to point out that one of the naming conventions used by LLD has > serious problems: naming variables with a leading underscore puts them > *way* too close to the reserved identifier space. Folks have accidentally > ended up with

Dave pointed out that I didn't complete one aspect of my argument on the push_back vs. emplace_back: On Thu, Dec 29, 2016 at 2:04 PM Chandler Carruth <chandlerc at gmail.com> wrote: > Still another way to see the consequence of this is to look at the nature > of compiler errors when a programmer makes a mistake. > > With emplace_back, if you fail to call the constructor

On Tue, Jan 22, 2013 at 12:36 PM, Nick Kledzik <kledzik at apple.com> wrote: > On Jan 20, 2013, at 10:18 PM, Chandler Carruth wrote: > > Sorry, I wasn't trying to suggest anything vague, but rather refer to my > previous (perhaps ill founded) understanding about the expected path > forward for LLD. Anyways, I'll explain in a bit more detail so we can talk > about

Hi, i have a dataframe such as: Exp1 Exp2 Exp3 name1 12.6 78.0 45.6 name2 11.9 19.0 21.0 name3 10.0 14.0 17.0 ... ... ... Real datasets might be quite large - 20,000 rows by 100 columns I want to calculate metrics such as the variation *row-wise*. So, var for name1, var for name 2, var for name3 etc. Can someone kindly guide me on how best to code this? Also, once such a metric has

On Tue, Jan 16, 2018 at 11:35 AM Philip Reames <listmail at philipreames.com> wrote: > > > On 01/16/2018 09:21 AM, David Blaikie via llvm-dev wrote: > > Context: I've been looking at experimenting with using Modular Code > Generation (My talk at last year's LLVM dev meeting > https://www.youtube.com/watch?v=lYYxDXgbUZ0 is about the best reference > at the

Hi, i would like to find out more on how Rgui works. Is there any documentation that details how RGui interfaces with the R language & environment. So, i would like to know things such as: - What language is RGui built in (source available?) - What language is RTerm built in? - how does the output of an R command get directed to the terminal window in RGui? It seems to me that RGui is RTerm

Thanks for very accurate responses. - I totally agree what Dave and Chandler said about explicit and implicit operations, this is what I meant my first email. I believe there are places like v.emplace_back(A, B); istead of v.push_back(make_pair(A, B));b That can make code simpler. I think in cases like this we can leave it for judgement of contributor. Having said that I think the

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I''m a new R user and, frankly, this problem has got me stumped. I''m using the 64 bit version of RGui and followed the installation instructions on http://www.rforge.net/rJava/ Here is the result: package ''rJava'' successfully unpacked and MD5 sums checked > library(rJava) Error in utils::readRegistry(key, "HLM", 2) : Registry key

Somewhat unfortunately, we have two discussions here: - Clang-tidy has checks that might improve code -- should we deploy them? If so which? I'll address this in a separate email, and focus this one on: - Should we have coding standards around 'push_back' and 'emplace_back', and if so, what should they say? I think the amount of confusion makes a coding standard useful. As

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Hey everyone, I just saw a demonstration of a model that is built entirely in R that allows for transportation greenhouse gas related scenario testing and it used an awesome GUI utilizing iplots, rJava and gWidgets libraries. Very cool stuff. I am a somewhat seasoned R user but cannot seem to figure out what rJava needs to run correctly. I have installed Java but when i load the rJava

Hi, Thank you for taking a look at this. This is 13.10. I realize Saucy is no longer supported. This system is slated for replacement, but in the meantime I'm responsible for it. The repo version of nut was 2.6.4-2.3ubuntu2. Installing it was useful as it gave me the nut user and group. The compiled version errors out whether or not the repo version is installed. I just did strace.

Hi, a couple of questions on manipulating a dataframe: 1) Without using a for loop (often inefficient, as i understand, in R), is it possible to split a dataframe into a list of dataframes with the number of *columns* in each (child)dataframe specified by the elements of a numeric vector? for example: dataframe 10 20 30 40 24 90 34 12 12 44 67 77 split using the vector c(3, 1) results in 2

> On 24 May 2018, at 20:19, Sam McCall via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > The coding guidelines say: > > Function names should be verb phrases (as they represent actions), and command-like function should be imperative. The name should be camel case, and start with a lower case letter (e.g. openFile() or isFoo()). > > This means that functions that

On 24.05.2018 13:11, Dean Michael Berris via llvm-dev wrote: > >> On 24 May 2018, at 20:19, Sam McCall via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> The coding guidelines say: >>> Function names should be verb phrases (as they represent actions), and command-like function should be imperative. The name should be camel case, and start with a lower case

Hello all, I'm using R 2.13.0 on windows 7. It seems rJava is failing to load for me, here is the error received: > library("rJava") Error in utils::readRegistry(key, "HLM", 2) : Registry key 'Software\JavaSoft\Java Runtime Environment' not found Error in utils::readRegistry(key, "HLM", 2) : Registry key 'Software\JavaSoft\Java Development