R is a language and environment for statistical computing and graphics similar to S.

learn more… | top users | synonyms

-1
votes
0answers
25 views

Cython vs Rcpp for science

I am future ecology PhD student. I am focusig on mathematical and computer ecology. Models in my diploma thesis were written in pure R. I really enjoyed graphics options of R but I hate R's speed. I ...
-3
votes
0answers
81 views

Replicating ADF test in R

I'm currently trying to understand unit root tests and the ADF formula used. The package I'm trying to work with is the "urca", dataset "npext", and the test I'm trying to replicate is the Nelson ...
4
votes
2answers
80 views

Writing R packages to replace .R scripts?

In our company we have a handful of R users who have collectively written some ~30 .R scripts over the last year. The scripts are mostly 100 lines or less, defining useful and reusable functions. ...
0
votes
0answers
33 views

Conceptual Question Text Matching Or Normalizing in R

I have millions of records which contain a column which has free text. Each record is a manifest for a shipment so has other attributes too This free text has a single product entered into it ...
3
votes
3answers
249 views

Can you do iterative development in c#? [closed]

I'm primarily a Python/R developer. In those languages, the way I develop is to sketch out a data and class structure, write the methods and their tests in interactive mode, then refactor them up into ...
1
vote
1answer
97 views

Why use atomic vectors or matrices in R at all?

In reading Hadley Wickham's Advanced R I learned about the difference between atomic vectors and lists; and matrices/arrays and dataframes. This is something I hadn't really appreciated before, and ...
-2
votes
1answer
121 views

Providing production code samples as part of an invited freelance work proposal? [closed]

I have only recently started to market myself as a 'programmer' rather than an analyst or something else entirely. In a recent search of freelance/part-time/contract work, I came across an ad for a ...
2
votes
2answers
391 views

Does an Rcpp-dependent package require a GPL license?

I'm writing a commercial package that uses R (GPL) for its computation. The GPL FAQ clearly states that GPLed programming language interpreters do not impose licensing restrictions on the "program" ...
2
votes
1answer
120 views

Expected time for lazy evaluation with nested functions?

A colleague and I are doing a free R course, although I believe this is a more general lazy evaluation issue, and have found a scenario that we have discussed briefly and I'd like to find out the ...
8
votes
1answer
277 views

Suggested method for extracting a standalone C library from an existing R package?

My group has been developing an R package to simulate plant growth (see GitHub repository). The R package uses .Call to interface with C. We have decided that it would be worthwhile to create a ...
1
vote
1answer
152 views

How do references work in R?

I'm finding R confusing because it has such a different notion of reference than I am used to in languages like C, Java, Javascript... Ruby, Python, C++, well, pretty much any language I have ever ...
8
votes
4answers
1k views

Why are scientific programming languages so weird? [closed]

It seems to me that programming languages meant for use in science and engineering are consistently weird compared to general-purpose languages. Some examples off the top of my head: In Matlab, each ...
3
votes
6answers
583 views

How to visualize the design of a program in order to communicate it to others

I am (re-)designing some packages for R, and I am currently working out the necessary functions, objects, both internal and for the interface with the user. I have documented the individual functions ...
2
votes
2answers
275 views

Where to place the R code for R+Sweave+LaTeX workflow

I spent the last week learning 3 new tools: R, Sweave, and LaTeX. One question that came to my mind when working through my first project: Where do I place the majority of the R code? The tutorials ...
6
votes
6answers
874 views

Is there a canonical resource on R programming? [closed]

Considering I have no programming background, Is there a resource out there that's the de-facto standard for describing best practices, design methodologies, and other helpful information on R ...
1
vote
2answers
756 views

Mahout's Flexibility for generating recommendations

I am currently working on a system that will generate product recommendations like those on Amazon: "People who bought this also bought this.." This is how I plan to do it: Process the data using ...
2
votes
1answer
299 views

Incanter for real world statistical projects [closed]

I'm interested in statistical computing. R is a leader platform obviously but what about Incanter? Incanter is at the top of my list since I'm a Clojure and JVM guy. Do you have any real world ...
21
votes
6answers
6k views

Surviving MATLAB and R as a Hardcore Programmer [closed]

I love programming in languages that seem geared towards hardcore programmers. (My favorites are Python and D.) MATLAB is geared towards engineers and R is geared towards statisticians, and it seems ...