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Has anyone tried both J programming language form jsoftware and R language. After some search I faced incanter which is based on clojure. I want to learn a statistical language for data analysis. Which one do you prefer? Why?
Please consider conditions...
Started by Gok Demir on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Code is succinct/terse object-oriented....
This was my answer:
I don't know R out.
However, you can have both worlds using RA question similar to this was asked recently on the J forum .
Much easier as you get more skilled in J programming.
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Are there any websites or blogs with programming challenges specifically for R users?
Started by Christopher Albon on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
One I know is http others posts on it, many people submit they code, I saw... .
But you'll find a good number of R entries, where you can solve problems in any programming language you wish.
I don't know of any specifically for R users.
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I have a matrix and I would like to know if it is diagonalizable. How do I do this in the R programming language?
Started by dataspora on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
In R that looks like:
m <- matrix( c(1:16), nrow = 4) p <- eigen % % solve(p)] should be the same as m
and yes, I totally stole that from the R Wiki ..
Us back the original matrix.
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I'd like to know how to learn the R language as as 'programming' language as opposed to learning it as a statistical system. My question is prompted by lack of understanding of such functions as parse, eval, etc. which may not find frequent use by an ...
Started by harshsinghal on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
The projects that taught me the most about how to program with R had nothing to do with statistics knows R .....
On the subject: "Software for Data Analysis: Programming with R", by John Chambers , the creator of the S.
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Can someone point me to a good tutorial for using vectorized programming methods in R. At the moment it feels very magical to me and I don't really understand what R's doing. Especially with regards to if statements and addressing values neighboring rows...
Started by Christian on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Intro to High....
Other than that, decent general purpose documents about R and programming in R are e.g.
I have a few versions of my and poke around .
I am not aware of a specific tutorial on vectorized programming for R.
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What are some good practices for programming in R ?
Since R is a special-purpose language that I don't use all the time, I typically just hack together some quick scripts that do what I need.
But what are some tips for writing clean and efficient R code...
Answer Snippets (Read the full thread at stackoverflow):
Using a coding style guide best practices from CRAN:
create a package, this opens the door to running R CMD check which is very in the \examples{} section of the documentation....
I recommend following coding guidelines such as Google's R Style Guide .
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Possible Duplicate:
Books for learning the R language
As subject states, I need recommendation for "Introcudion to" R language book.
Started by Jox on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
A LinkedIn discussion -- What is the best book on the R programming with R (Statistics and Computing) (Paperback) by Peter Dalgaard
See the StackOverflow question Books for learning the R....
Publications related to R .
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R is a scripting language, but is it fast? It seems like a lot of the packages used by R are actually compiled from C. Does anyone have an example of how using languages like C or Java instead of R caused a noticeable increase in speed? Is there a fair...
Started by User1 on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
However, it's not hard to write R functions in C, so if you find you're doing a lot of work in R and there's one function....
No, R is not fast, but it is very easy to use and a very efficient tool if you need to do a lot of stats work.
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I have a C program which compiles and runs fine under Linux without any warnings, but when trying to compile it on SunOS, I get the following warning:
test.c: In function `my_function': test.c:412: warning: implicit declaration of function `strerror_r...
Started by Jenna on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
It looks like you'll have to use strerror compiling against doesn't provide the... .
I just checked on an old Solaris 2.8 box and strerror_r is not available.
It looks like strerror_r may not be available on that platform.
Best regards, Tom.
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I am currently doing a course on CNC Programming (GCode, MCode and also APT Programming). The course is almost over and we are going to have an Exam at the end. The Exam is mostly writing programs but would also have a few theory questions. One of the...
Started by phiby on
, 2 posts
by 2 people.
Answer Snippets (Read the full thread at physicsforums):
If you do get an answer though.
I only know the use of R for a radius so I can't directly help.
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