Re: [R] run r script in r-fiddle

Hi Frank, You could upload your R source file to a public URL, for example to github and read via RCurl, as source do not support https as far as I know. Here is a working example. library('RCurl') tmatrix <- getURL("https://raw.githubusercontent.com/msuzen/isingLenzMC/master/R/isingUtils.R";) e

Re: [R] run r script in r-fiddle

5:51, Martin Maechler wrote: >>>>>> Suzen, Mehmet >>>>>> on Mon, 30 Oct 2017 11:16:30 +0100 writes: > > > Hi Frank, You could upload your R source file to a public > > URL, for example to github and read via RCurl, as source >

Re: [R] run r script in r-fiddle

Note that, looks like r-fiddle runs R 3.1.2. __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide comme

Re: [R] run r script in r-fiddle

On 31 October 2017 at 12:42, Martin Maechler wrote: > Notably as I think it's been provided by a company that no > longer exists under that name, and even if that'd be wrong, R-Fiddle > does not seem free software (apart from the R parts, I hope !). For the record, r-fiddle is maintained by data

Re: [R] run r script in r-fiddle

, you can embed the following into a web page: https://cdn.datacamp.com/datacamp-light-latest.min.js"</a>;> Currently, it supports R 3.4.0. See the code base, which is open source, here https://github.com/datacamp/datacamp-light Hope it helps. Best, Mehmet On 31 October 2017 a

Re: [R] Comparing figures?

I suggest perceptual diff. You could write a wrapper around it. http://pdiff.sourceforge.net On Mon, 7 May 2018 16:49 Ramiro Barrantes, wrote: > Hello, > > I am working on tests to compare figures. I have been using ImageMagick, > which creates a figure signature, and I can compare a "test" fi

Re: [R] Time complexity of functions in R

Hello Neha, You can try to measure those instructions time-complexiy by yourself. First, generate a benchmark dataset with increasing object size, i.e., set A. Have a look at how to use 'system.time' https://stat.ethz.ch/R-manual/R-devel/library/base/html/system.time.html Best, Mehmet On 24 May

Re: [R] (Somewhat?) Off topic: Containerization software

This is a nice summary addressing the same with R: https://arxiv.org/pdf/1410.0846.pdf On 30 May 2017 at 17:43, Bert Gunter wrote: > Folks: > > This is **off topic**, but I thought it might be informative to this > community. Consequently: please **no on list public comments or > discussion**. Fe

Re: [R] Latin Hypercube Sampling when parameters are defined according to specific probability distributions

No it is an R programming questions. Nelly specifically asked you: "how can I use your code to apply my model to each of the 50 rows of the data frame “tabLHS”?" __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/

Re: [R] Nash equilibrium and other game theory tools implemented in networks using igraph or similar

Why don't you implement and uplad the package to CRAN? On 27 Jun 2017 17:45, "Chris Buddenhagen" wrote: Does anyone know of some code, and examples that implement game theory/Nash equilibrium hypothesis testing using existing packages like igraph/statnet or similar? Perhaps along the lines of t

Re: [R] Nash equilibrium and other game theory tools implemented in networks using igraph or similar

Hello Chris, I was implying you are capable enough to implement it, while you have already identify a research paper. If there is no package out there, uploading to CRAN would help future user too. I am more than happy to help if you want to implement from scratch. Best, Mehmet On 27 June 2017 a

Re: [R] R package for scorecard development

I suggest you to have a look at this R document: https://cran.r-project.org/doc/contrib/Sharma-CreditScoring.pdf On 28 June 2017 at 13:26, Nikhil Abhyankar wrote: > Hello all, > > Is there any R package that can develop a scorecard model for a binary > target variable? > > More details: > I want

Re: [R] How export data set (available in the package) from R?

I also suggest you Hadley's optimized package for interoperating xls files with R: https://github.com/tidyverse/readxl https://cran.r-project.org/web/packages/readxl/index.html __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https:/

Re: [R] Nested cross validation with lapply

Hi Jesús, Do you have a code you tried without lapply? Why don't you post that here too? There are a couple of packages supporting nested CV; TANDEM, blkbox you may want to check their code. Also, `cvTools` package may help you to write one. On 7 August 2017 at 15:21, Jesús Para Fernández wrot

Re: [R] Directional Forecast

I suggest, you read: Forecasting: principles and practice from Hyndman-Athana­sopou­los https://www.otexts.org/fpp __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the postin

Re: [R] Block comment?

AFAIK block comment is not possible it needs to be implemented in R interpreter and defined in the parser.'If' solution is not elegant. On 2 September 2017 at 14:09, Uwe Ligges wrote: > > > On 02.09.2017 11:40, Christian wrote: >> >> I consider it quite worth while to introduce into R syntax a ne

Re: [R] comparition of occurrence of multiple variables between two dataframes

Do you have a simplified example with a code? It is not clear to me what do you mean by tree but if you refer to tree data structure, maybe you could change the data structure to tree (https://cran.r-project.org/web/packages/data.tree/vignettes/data.tree.html) and try to write comparison of two tre

Re: [R] comparition of occurrence of multiple variables between two dataframes

; > CV51 > > CV52 > > IN11 > > IN12 > > IN13 > > 4728 > > 0 > > 0 > > 0 > > 1 > > 0 > > 0 > > 0 > > 3 > > 0 > > 0 > > 0 > > 0 > > 0 > > 0 > > 0 > > 0 > > 0 > >

Re: [R] (no subject)

Hello David, As error message says you have a version dependency not satisfied. "error: Need GSL version >= 1.12". If you are using Ubuntu for example you could do; sudo apt-get install libgsl2 Or you can compile by yourself, I am sure there are people in LRZ can help you on this:) Best, Mehmet

Re: [R] Regarding Principal Component Analysis result Interpretation

Usually, PCA is used for a large number of features. FactoMineR [1] package provides a couple of examples, check for temperature example. But you may want to consult to basic PCA material as well, I suggest a book from Chris Bishop [2]. [1] https://cran.r-project.org/web/packages/FactoMineR/vigne

Re: [R] Multinomial Fitting Distrbution

mixtools package has mixture of Gaussian fitting, maybe that might help? __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-g

Re: [R] Random Forest in Caret

Can you post your memory profile and codes? __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide comment

Re: [R] lm() funtion

try lm.ridge from MASS package. __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal,

Re: [R] glmnet: converting coefficients back to original scale

This is interesting, can you post your lm.ridge solution as well? I suspect in glmnet, you need to use model.matrix with intercept, that could be the reason. -m __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/m

Re: [R] any way to write sas7bdat with R

I didn't try this but there is an experimental package from Dr. Shotwell. http://cran.r-project.org/web/packages/sas7bdat/index.html if it can read, maybe you can modify to write as well? __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, s

Re: [R] Cost-effectiveness Analysis in R

Do you have specific example that you have tried to implement in R? Can you post your codes too? There are high quality package BCEA and BayesTree, that could be helpful; http://cran.r-project.org/web/packages/BCEA/index.html http://cran.r-project.org/web/packages/BayesTree/index.html ___

Re: [R] Cost-effectiveness Analysis using R

Yes. __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducib

Re: [R] weighted network centrality measures by network size

Hi Jenny, Have you tried igraph before? See, http://igraph.org/r/doc/ There are couple of centrality measures there. Best, -m On 6 August 2014 02:50, Jenny Jiang wrote: > Dear R-help, > > My name is Jenny Jiang and I am a Finance Honours research > student from the University of New South W

Re: [R] Social Network Simulation

Dear Professor Haenlein, Have you solved this issue yet? I found this eally interesting problem I was wondering if it is possible to wrapper "objective function" around igraph's 'sample_pa' and 'sample_smallworld'. If you have an example data set, I can have a look at this. Viele Gruesse aus London

Re: [R] Summation sign

Hello Sebastian, I think you may need to use tensorA package. You can define different indices and use Einstein or Reimann summation convention. Grüße, Mehmet On 23 August 2013 15:14, Sebastian Hersberger wrote: > Hi all > > I have a short question relating to the usage of the summation sign in

Re: [R] Validating data type

R is weakly typed language. I have asked similar question previously: http://r.789695.n4.nabble.com/count-appearence-of-zero-in-a-vector-td4654591.html It is advised to me to use S4 classes, if you want to enforce type checking automatically. Excellent reference on this is by the ACM award holde

Re: [R] R and Matlab

Simplest way is the call a system command, using R CMD. See :http://stackoverflow.com/questions/6695105/call-r-scripts-in-matlab But there are more complicated solutions are proposed: http://www.mathworks.co.uk/matlabcentral/fileexchange/5051 This is uses R-(D)-COM In my opinion most robust int

Re: [R] R graphs from database

Hi David, I suggest you to have a look at packages that can extract data from sql or nosql databases and graphics. CRAN task views would help: http://cran.r-project.org/web/views/Graphics.html The point is there are lots of alternatives. If you would like to use web-based visualisation d3 is bec

Re: [R] Is there a package to output midi files for sonification of data

Hi Greg, you can try tuneR : http://cran.r-project.org/web/packages/tuneR/ Best, -m On 26 December 2012 22:04, Greg Hooper wrote: > Hi, I have been using Matlab to produce midi files for sonfication and > algorithmic composition projects. I would like to transfer that work into R > (in which I

Re: [R] Is there a package to output midi files for sonification of data

On 27 December 2012 08:46, Greg Hooper wrote: > thanks Ben - hmm I think I will use a midi/csv utility > http://www.fourmilab.ch/webtools/midicsv/ and see how that goes. Another Hi Greg, Yes you are right, It is for wav analysis but as Ben suggests. Conversion should not be difficult. Also I thin

Re: [R] Is there a package to output midi files for sonification of data

On 27 December 2012 08:46, Greg Hooper wrote: > thanks Ben - hmm I think I will use a midi/csv utility > http://www.fourmilab.ch/webtools/midicsv/ and see how that goes. Another Hi Greg, Yes you are right, It is for wav analysis but as Ben suggests. Conversion should not be difficult. Also I thin

Re: [R] Is there a package to output midi files for sonification of data

On 27 December 2012 21:23, Ben Bolker wrote: > On 12-12-27 03:04 PM, Greg Hooper wrote: > it more closely into R I would take the C code and figure out how I > could integrate it into an R package as compiled code with a thin R > wrapper around it. Since the code "license" is "public domain", you

Re: [R] vectorization & modifying globals in functions

You can use environments. Have a look at this this discussion. http://stackoverflow.com/questions/7439110/what-is-the-difference-between-parent-frame-and-parent-env-in-r-how-do-they On 27 December 2012 21:38, Sam Steingold wrote: > I have the following code: > > --8<---cut here--

Re: [R] efficiently multiply different matrices in 3-d array with different vectors?

I think what you are doing is a tensor algebra. You may want to try tensorA: http://cran.r-project.org/web/packages/tensorA/index.html On 28 December 2012 06:33, Ranjan Maitra wrote: > Any pointers on an efficient way of doing this? I considered using > apply, but was not successful. please pos

Re: [R] efficiently multiply different matrices in 3-d array with different vectors?

What I had in mind was a tensor multiplication. I think, using tensor arithmetic for multidimensional arrays looks more compacts and efficient (~ 2-3 times). I am guessing that performance will be much more pronounced for n-D arrays (n>3). # Component Wise set.seed(14) Z<-array(sample(1:100,8

Re: [R] efficiently multiply different matrices in 3-d array with different vectors?

On 29 December 2012 20:35, arun wrote: >> Is it possible to obtain the same result as X without converting X to R? What do you mean by the same result? There is a relationship between X and R. If you express this relationship algebraically, you can get X directly using Y and Z tensors, vice versa

Re: [R] efficiently multiply different matrices in 3-d array with different vectors?

On 30 December 2012 20:21, arun wrote: > HI, > I was not aware of the algebraic relationship. > Tx for the explanation. For the record; the simple example I have shown can be reproduced with Einstein's summation rule as well. While A and x tensors have covariant (lower) indices *only*. So using %

Re: [R] suggestions about import SAS results to R.

> On Jan 2, 2013, at 12:37 PM, Yuan, Rebecca wrote: >> I am wondering if there is an efficient way to read SAS data directly in R, >> or what would be a better connection between SAS and R if I need to use R to >> deal with data achieved from SAS? >> You may try foreign and SASxport packages: ht

Re: [R] count appearence of zero in a vector

Hi Hermann, You may want to use ?which, to store the index as well (might be handy in debugging or some other purposes if zeros has some special meaning) : test <- c(1, 1, 1 , 1 , 1, 1, 2, 1, 1, 1, 0, 2, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1) length(which(test==0)) But be careful

[R] MT940 and MT942

Hello List, Are there any R package that can process MT940/942? Thanks mem __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide comme

Re: [R] Working with Matrix

Hello Rui/Jorge, This is shorter, and probably needs less memory for large matrices as you create an other copy by defining nas: matrixOp <- function(m1, m2, op=`+`) { rows <- min(nrow(m1), nrow(m2)) cols <- ncol(m1) op(m1[1:rows, 1:cols], m2[1:rows, 1:cols]) } Best, mem On 4 January 2013 1

Re: [R] count appearence of zero in a vector

t)<1)) > #[1] 6 > length(which(abs(test) < .Machine$double.xmin)) > #[1] 6 > A.K. > > > > > - Original Message - > From: "Suzen, Mehmet" > To: Hermann Norpois > Cc: R help > Sent: Friday, January 4, 2013 12:27 AM > Subject: Re: [R] c

Re: [R] non-consing count

My 2 cents: AFAIK both which and length are from C compiled code: http://cran.r-project.org/doc/manuals/r-release/R-ints.html#g_t_002eInternal-vs-_002ePrimitive so they must be quite efficient ie .Primitive and .Internal. Probably combination of this with a pattern in C would be more memory effi

Re: [R] Integrating Java, C++ and R

On 4 January 2013 11:36, Royden Fernandes wrote: > Hi, > > I am able to integrate C++ and R through RInside library. However when I Questions regarding RInside should go to the rcpp-devel mailing list. http://lists.r-forge.r-project.org/mailman/listinfo/rcpp-devel ___

Re: [R] non-consing count

On 4 January 2013 16:53, jim holtman wrote: > Is performance a concern? How often are you going to do it and what > other parts of your script also take longer? Why are you concerned > about allocating/discarding two vectors? I think Sam's question was about additional memory introduced by whi

Re: [R] count appearence of zero in a vector

On 4 January 2013 17:47, Bert Gunter wrote: > Inline. > > On Fri, Jan 4, 2013 at 7:44 AM, Suzen, Mehmet wrote: >> >> I am always reserved about types and not sure how R auto casting works >> internally. >> In a large code using many different packages, I thin

Re: [R] MT940 and MT942

On 5 January 2013 10:04, peter dalgaard wrote: >> So it looks like some assembly is required, but puzzle pieces are available. Concerning MT940 spec, I don't know who is regulating this. There is no RFC or similar. The closest thing I found was from DB: https://deutschebank.nl/nl/docs/MT94042_EN.

Re: [R] Manhattan Plot

Hello Einat, Have you tried ggbio package's plotGrandLinear from bioconductor? Best, -m On 8 January 2013 20:03, Einat Granot wrote: > Hello, > I am trying to create a simple Manhattan plot for a small list of 200 SNPs > spread out in the genome in different genes. > I have tried different fun

Re: [R] R encrypt/decrypt

On 9 January 2013 18:59, Ramiro Barrantes wrote: > I am working on a web system (php) that uses R in the backend, and we need > some basic fast encryption/decryption for the underlying mysql database that > can be used by both R AND php. It does not need to be top-of-the-line, but > just provi

Re: [R] R encrypt/decrypt

pt/decrypt mechanism that also has a > counterpart on php or has suggestions about the situation. Sorry for the > confusion in my question. > > Thank you, > Ramiro > > > > > > From: mehmet.su...@gmail.com [mehmet.su...@gmail.co

Re: [R] how to count "A", "C", "T", "G" in each row in a big data.frame?

On 10 January 2013 01:04, Yao He wrote: > In fact I want to calculate the gene frequency of each SNP. Why don't you use bioconductor for your analysis instead of trying to develop by your own? For example: http://www.bioconductor.org/help/course-materials/2008/MGED08/BiostringsMGED2008.pdf For

Re: [R] Find the functional relationship between two variables in R?

On 10 January 2013 15:04, wrote: > Hi, > I have two variables x and y and the functional relationship between x and y > is like: y=x^2+log(x). My question is that is it possible to apply some > method to reconstruct the functional form based on the training data that is > generated from it? I und

Re: [R] ginv / LAPACK-SVD causes R to segfault on a large matrix.

On 14 January 2013 15:08, Cyrus Shaoul wrote: > La.svd Dear Cyrus, Have you tried running La.svd ; LAPACK only version (without R) via C/C++ or Fortran code? After all it can be a LAPACK issue and R-team has no control on that. Best, -m __ R-help@r-p

Re: [R] readJPEG function cannot open jpeg files

Similar issue with URLs: > yesWeCan <- > "http://upload.wikimedia.org/wikipedia/commons/9/9d/Barack_Obama.jpg"; > url(yesWeCan) description "http://upload.wikimedia.org/wikipedia/commons/9/9d/Barack_Obama.jpg";

Re: [R] readJPEG function cannot open jpeg files

On 14 January 2013 18:56, Prof Brian Ripley wrote: > On 14/01/2013 16:26, Suzen, Mehmet wrote: >> >> Similar issue with URLs: > > > Not a similar issue at all: a URL is not a file. That most functions in R > itself open connections including URLs does not mean tha

Re: [R] How to change R file in stats?

On 17 January 2013 07:03, Ibrahim Sobh wrote: > > Dear > I have changed some code in R file inside the stats package (dendrogram.R). > Now I wan to test and run the stats package with the new updated code, what > should I do in detail? For testing the simplest thing you can do is to ?source th

Re: [R] Recommendation for website to format R code

Probably formatR/knitr is more robust but this one has an option for S http://hilite.me/ -m On 25 January 2013 02:37, C W wrote: > I ran across this page for C, Java, etc. No R. > > http://pastebin.com/ > It looks similar and more than what I was looking for, just saying. > > Mike > > > On Wed,

Re: [R] joint probability distribution

Not sure what is your exact requirement but you can compute marginals and conditional probabilities using 'prob' package of Prof. Kerns. On 25 January 2013 22:15, Rui Barradas wrote: > Hello, > > You need to be much more specific. What do you know about the distributions > of X and Y? And about t

Re: [R] Pass vector as multiple parameters (as in python f(*x))

This an alternating way of doing it using a list if you know the argument names in the function definition i.e. ?formals and ?alist, But would change the default values of the function. Probably not you wanted. > f <- function(x,y,z) x+y+z > args<-alist(x=5,y=6,z=7) > formals(f) <- args > f() [1]

Re: [R] Can I define a object array in R?

Hello Sarah, You may want to use a package instead of trying to implement those data structures. For example: http://www.bioconductor.org/packages/release/bioc/html/graph.html Best, -m On 29 January 2013 11:22, Sarah Goslee wrote: > In R, lists are used for that. See ?list or any intro to R for

Re: [R] Modifying Package Data

You can use system.file to fine the package root, then data file path relative to this. For example system.file(package = "stats") # The root of package 'stats' See ?system.file On 6 February 2013 22:02, David Winsemius wrote: > > On Feb 4, 2013, at 11:37 AM, Rich Shepard wrote: > >> The bio.in

Re: [R] rpy2 (Python <--> R)

Wrong list. You may want to ask here: http://rpy.sourceforge.net/maillist.html But looking at your output it looks like you need to install readline library sources or be sure that it is in the CFLAGS's -I On 10 February 2013 06:06, James Jong wrote: > Hi - I am having trouble installing rpy2. I

Re: [R] How to use character in C code?

You may want to use C++ instead using Rcpp which string handling would be easier: http://gallery.rcpp.org/articles/strings_with_rcpp/ On 10 May 2013 15:51, cgenolin wrote: > Hi the list, > I include some C code in a R function using .C. The argument is a character. > I find how to acces to the c

Re: [R] Optimization of a function using optim

Dear Graham, On 16 June 2013 02:08, Graham McDannel wrote: > I am attempting to optimize a function I have developed using optim. > > I am getting the below error message: > > Error in n < 1: 'n' is missing > I suspect a function requires an argument named n, and you didn't pass one. Either in

Re: [R] ROC with more than one predictor

On Tue, Oct 23, 2012 at 11:52 PM, Luigi wrote: > > Any tip on how to proceed? You may want to do check rocplus package. Its vignette is pretty good. http://cran.r-project.org/web/packages/rocplus/vignettes/rocplus.pdf In your case, I think pairwise comparison would be one approach Best, Mehmet

Re: [R] operating website through R

You just need to pass the parameters on Giovanni_cgi.pl with action=ASCII+Output On 11 April 2014 17:19, eliza botto wrote: > Dear Users of R, > I wanted to operate certain slots of this website > (http://disc2.nascom.nasa.gov/Giovanni/tovas/TRMM_V7.3B42_daily.2.shtml) > through R. I wanted to

Re: [R] operating website through R

This looks not so elegant, while normally data provider must have a nice accessing API, anyway, for example you can do this: > myAdd <- > 'http://disc2.nascom.nasa.gov/daac-bin/Giovanni/tovas/Giovanni_cgi.pl?west=60&north=50&east=70&south=-50¶ms=0|3B42_V7&plot_type=Area+Plot&byr=2014&bmo=01&bdy=

Re: [R] inverse normal distribution function

You may want to read about generalized linear modelling and link functions for forming appropriate categorical variable/link function. See documentations in R: ?glm, ?family and ?inverse.gaussian. Also look at the original paper of Nelder, John; Wedderburn, Robert , it is available freely with th

Re: [R] inverse normal distribution function

Not sure how would you do that but there is a package SEM on CRAN for structural equation models. On 20 April 2014 01:10, thanoon younis wrote: > thank you so much Suzen > i want to use bayesian analysis in structural equation models with ordered > categorical data and i want to use inverse norma

Re: [R] uniform number

WTF? Is that a R package from you? On 5 May 2014 09:27, Rolf Turner wrote: > On 05/05/14 17:05, Ragia Ibrahim wrote: >> >> >> Dear group, >> How to generate uniform probability choosing p to be 2% and 5%, in >> separate trials for 100 times. > > > No idea WTF you are talking about. Can you f

Re: [R] uniform number

That paper you cite is about Social networks. You may want to use igraph or sna packages On 5 May 2014 10:54, Ragia Ibrahim wrote: > thanks for replying > > in the following paper > http://www.cs.cornell.edu/home/kleinber/kdd03-inf.pdf > page 6 third paragraph > > > the author writes: > "assi

Re: [R] problem in r-code

Wrong list. This is an R list not Bugs. You may want to consult Bugs materials: http://www2.mrc-bsu.cam.ac.uk/bugs/weblinks/webresource.shtml On 8 May 2014 11:36, thanoon younis wrote: > dear all members > > is there anyone explain to me the code below and how can i transfer this > code to winbug

Re: [R] How can I make this nested loop faster?

Your code is not re-producable. Can you provide a working example using a standard dataset from R? But, you could first try to use compiler package, see ?enableJIT. Another option would be to use doMC/foreach packages if you can run your assignment in the nested loop in parallel, see %dopar%. On

Re: [R] Calculating transition probabilties

This looks like this is your homework about Markov chains. not an R question actually. But have a look at the markovchain package from CRAN: http://cran.r-project.org/web/packages/markovchain/vignettes/an_introduction_to_markovchain_package.pdf On 13 May 2014 16:49, Baba Bukar wrote: > Dear all,

Re: [R] How to Optimize two functions together in R

This deals with the multi-objective optimisation. Try MCO and emoa packages. http://stats.stackexchange.com/questions/77580/optimization-of-multiple-objective-functions-with-constraints On 15 May 2014 17:47, Mingxuan Han wrote: > I am trying to minimize two functions with same set of parameter(

Re: [R] How to Optimize two functions together in R

Use defaul values initially, to see if you got reasonable results. See here for the details of nsga2 http://dx.doi.org/10.1109/4235.996017 On 19 May 2014 16:42, Mingxuan Han wrote: > I try to use NSGAII function in the mco but I am kind of confusing about the > numbers of input and output dimensi

Re: [R] copula fitting

yes you can. On 7 June 2014 16:04, mudit gupta wrote: > Hi guys, > > can i fit a copula to two marginal distributions with different sample > size? > like one has 2340 observations and other has 1912. > > thanks > Mudit > > [[alternative HTML version deleted]] > > __

Re: [R] copula fitting

Have you checked out 'copula' package? On 11 June 2014 00:36, Suzen, Mehmet wrote: > yes you can. > > On 7 June 2014 16:04, mudit gupta wrote: >> Hi guys, >> >> can i fit a copula to two marginal distributions with different sample >> size? >>

Re: [R] Logistic Regression

You might want to read this vignette: http://cran.r-project.org/web/packages/HSAUR/vignettes/Ch_logistic_regression_glm.pdf On 14 June 2014 19:53, javad bayat wrote: > Dear all, I have to use "Zelig" package for doing logistic regression. > How can I use Zelig package for logistic regression? > >

Re: [R] Defining default method for S3, S4 and R5 classes

There is a nice tutorial on this: http://adv-r.had.co.nz/OO-essentials.html For an in depth guide, have a look at the book from John Chambers, Software for data analysis programming with R. On 13 June 2014 12:20, Luca Cerone wrote: > Dear all, > > I am writing a script implementing a pipeline to

Re: [R] Using R to analyze multiple MRI studies

Did you inspect the CRAN view for Medical imaging? http://cran.r-project.org/web/views/MedicalImaging.html On 3 July 2014 17:09, moleps islon wrote: > I need to analyze multiple T1 contrast enhanced MRI studies from different > patients. They are all in DICOM format. I see that there are differen

Re: [R] A general question: Is language S a component part of R?

On Tue, Nov 6, 2012 at 2:34 AM, Hadley Wickham wrote: > On Monday, November 5, 2012, Rolf Turner wrote: > >> On 06/11/12 09:40, Iurie Malai wrote: >> >>> So, R (as a language) can be viewed as an extended S language (S + some >>> improvements)? And the R environment includes this (extended) langua

Re: [R] how to view source code of a function inside a package?

It might be a C code wrapped around. -m On Thu, Nov 15, 2012 at 8:21 PM, C W wrote: > Dear list, > I am trying to look at the function inside a package. I know that > methods() would do the trick, but what if the function is hidden? I have a > problem displaying the hidden function. > > Say, fo

Re: [R] Installing R on Ubuntu

Try Prof. Wilkinson's recent blog entry: http://darrenjw.wordpress.com/2012/11/10/keeping-r-up-to-date-on-ubuntu-linux/ On Thu, Nov 15, 2012 at 5:14 PM, Karel van Duijvenboden wrote: > Hello R-help team, > > I seek your help (for what is most likely a very simple problem). I'm new > to Ubuntu a

Re: [R] Function for extracting Lambda Sets

Hi Nick, Have you tried this: http://www.bioconductor.org/packages/release/bioc/html/RBGL.html There is a function there called 'lambdaSets' Best, Mehmet On Thu, Nov 15, 2012 at 10:45 AM, Nick Duncan wrote: > Dear All, > > I would like to extract Lambda Sets from a binary matrix that > represe

Re: [R] simple question on loop

Use mapply instead On Fri, Nov 16, 2012 at 5:01 PM, billycorg wrote: > Hi R Users. > > I have a simple question on a loop. > > The following loop works fine: > > r_t=list() > for(i in 1:500) > { > r_t[[i]]=h_t_half[[i]]%*%matrix(*z_t_m*[i,]) > } > > But indeed I need also that *z_t_m* varies. Let

Re: [R] Download a file from url

you can use RCurl for web connections from Duncan Lang, see its paper: http://www.omegahat.org/RCurl/RCurlJSS.pdf getURL there will solve your problem. On Sun, Nov 18, 2012 at 2:07 AM, veepsirtt wrote: > Hi R, > I installed wget and tried to download the file from this > http://nseindia.com/cont

Re: [R] about MCMC

Hello Tania, You may want to read MCMCpack's paper; http://www.jstatsoft.org/v42/i09/paper and one of the best book in the field: http://www.amazon.com/Markov-Practice-Chapman-Interdisciplinary-Statistics/dp/0412055511 Also look on CRAN view on Bayesian Inference Best, -m On Tue, Nov 20, 201

Re: [R] Create BATCH file

Try this: http://stat.ethz.ch/R-manual/R-patched/library/utils/html/BATCH.html On Wed, Nov 21, 2012 at 11:58 AM, R_Antony wrote: > Hi, > > I have a ".R" file written many functions into that. My requirement what is, > i need to create a batch file for this. > No idea, how to create it. Tried it

Re: [R] function call from another r file

If you want to handle a generic case, best thing is to create an R package. It is much easier to manage that using source(), if you have lots of different functionality and data files. Also look at ?system.file. On Sat, Nov 24, 2012 at 7:49 AM, Jeff Newmiller wrote: > It is straightforward to loa

Re: [R] Concordant und Discordant Paars of Logistic Regression

Hello Marcus, Concerning measures of association, have a look at here http://stackoverflow.com/questions/2557863/measures-of-association-in-r-kendalls-tau-b-and-tau-c But why do you need logistic regression? Best, -m PS: I think official language is Englisch in diese list. On Tue, Nov 27, 201

Re: [R] code optimisation problem

or write the compute intense part in C and interface it to R. On Wed, Nov 28, 2012 at 5:45 AM, William Dunlap wrote: > Or try the filter() function (with convolutional filter rep(1/3,3)). > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com > > >> -Original Message- >> From: r-h

Re: [R] best HDF5 package: h5r or rhdf5?

In my experience, I think h5r is more robust while it is directly wrapped around the C library and contains more functionality. On Tue, Nov 27, 2012 at 4:51 PM, Johann Hibschman wrote: > What is the current best package for manipulating HDF5 data files? > > I tried "hdf5" a long time ago, but I r

Re: [R] Solving a multinomial gompertz partial differential equation in r

Hi Brandon, You can try ReacTran package: cran.r-project.org/web/packages/ReacTran/vignettes/PDE.pdf Best, -m On 3 December 2012 06:49, Brandon Breitling wrote: > I haven't used r in quite a while but would like to get back into it. I > have a problem that I would like to solve with r. I have

Re: [R] Resampling Help Needed

You can use, 'sample' function for sampling and may consider using partition clustering for selecting your regions, see Cluster task view: http://cran.r-project.org/web/views/Cluster.html On 4 December 2012 00:53, KoopaTrooper wrote: > I am using package ks() to build 3D representations of bird

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