[R] Huge speed performance difference when using non-trivial fixed effects in NLMER vs NLME

2020-08-11 Thread Ramiro Barrantes
Following Ben Bolker's methodology (described here https://rpubs.com/bbolker/3423) I incorporated non-trivial fixed effects in NLMER for a four-parameter logistic. I placed a reproducible example here: https://rpubs.com/ramirob/648103 To summarize the question, if we have a dataset with

[R] Using random effects on gamm4

2020-05-16 Thread Ramiro Barrantes
My basic question is, how do I specify random effects in gamm4 properly? Reproducible example: library(gamm4) library(ggplot2) residualNoise <- 20 blockNoise<- 10 nBlocks <- 3 n<-100 df <- data.frame(x=rep(1:n,nBlocks),y=rep(0.01*(1:n)^2,nBlocks)) df$block <- rep(1:nBlocks,each=n) blockNoise <-

[R] How to refer to my package from another package DESCRIPTION

2019-10-08 Thread Ramiro Barrantes
Hello, I am developing some packages. Package1 requires Package2, both of which I developed: Right now Package2 is installed properly here: /myHome/libraries/Package2 Package1 needs Package2. Package1 refers to Package2 both in the Roxygen @import field for one of the functions, and also

[R] Comparing figures?

2018-05-07 Thread Ramiro Barrantes
ust found out about the vdiffr package and was going to explore it, not sure about the speed. Any suggestions appreciated. Thank you, <https://west.exch023.serverdata.net/owa/?ae=Item=New=IPM.Note=MTQuMy4zMTkuMixlbi1VUyw2LEhUTUwsMCww=_1525698150389_875737489#> Ramiro Ramiro Barrantes Ph.D.

[R] withTimeout does not timeout nlme anymore

2017-11-26 Thread Ramiro Barrantes
Hello, I was relying on withTimeout (from R.utils) to help me stop nlme when it “hangs”. However, recently this stopped working. I am pasting a reproducible example below: withTimeout should stop nlme after 10 seconds but in this example it does not. I tried this both on a linux (64 bit,

[R] Bug?

2017-08-08 Thread Ramiro Barrantes
graphics grDevices utils datasets methods base > Thank you, Ramiro Ramiro Barrantes Ph.D. Precision Bioassay, Inc. 431 Pine St., Suite 110 Burlington, VT 05401 802 865 0155 802 861 2365 FAX www.precisionbioassay.com

Re: [R] Using a mock of an S4 class

2017-02-03 Thread Ramiro Barrantes
Thank you so much!! This is very helpful. On 02/01/2017 02:46 PM, Ramiro Barrantes wrote: > Hello, > > I have a function that applies to an S4 object which contains a slot called > @analysis: > > function calculation(myObject) { > tmp <- myObjects@analysis >

Re: [R] Using a mock of an S4 class

2017-02-02 Thread Ramiro Barrantes
to invoke my external constructor function, hence making this test focus exclusively on the function that I am trying to test. Is it possible to do this in R? On 2/1/17, 6:57 PM, "David Winsemius" <dwinsem...@comcast.net> wrote: > >> On Feb 1, 2017, at 11:46 AM

[R] Using a mock of an S4 class

2017-02-01 Thread Ramiro Barrantes
Hello, I have a function that applies to an S4 object which contains a slot called @analysis: function calculation(myObject) { tmp <- myObjects@analysis result <- ...operations on analysis... return result } I am writing a unit test for this function. So I was hoping to create a mock

[R] Error in .External2(C_X11, paste(png::, filename, sep = ), g$width, : unable to start device PNG

2015-08-11 Thread Ramiro Barrantes
Hello, I have the following reproducible knitr document: \documentclass{article} \usepackage[sc]{mathpazo} \usepackage[T1]{fontenc} \usepackage{geometry} \begin{document} test,dev=png,echo=FALSE= library(lattice) xyplot(1:2~1:2) @ \end{document} but knitr is giving me an error: Quitting

[R] more complex by with data.table???

2015-06-09 Thread Ramiro Barrantes
Hello, I am trying to do something that I am able to do with the by function within data.frame but can't figure out how to achieve with data.table. Consider dt-data.table(name=c(rep(a,5),rep(b,6)),var1=0:10,var2=20:30,var3=40:50) myFunction - function(x) { mean(x) } I am aware that I can do

Re: [R] Not finding superclass in library

2015-02-24 Thread Ramiro Barrantes
. From: Charles C. Berry [ccbe...@ucsd.edu] Sent: Monday, February 23, 2015 10:20 PM To: Ramiro Barrantes Cc: Rolf Turner; r-help@r-project.org Subject: Re: Not finding superclass in library On Mon, 23 Feb 2015, Ramiro Barrantes wrote: Thank you for pointing this out. I had no idea about

Re: [R] Not finding superclass in library

2015-02-23 Thread Ramiro Barrantes
through the code in an ESS R session it works fine. Thanks in advance, Ramiro From: Rolf Turner [r.tur...@auckland.ac.nz] Sent: Monday, February 23, 2015 3:41 PM To: Ramiro Barrantes; r-help@r-project.org Subject: Re: [R] Not finding superclass in library

[R] Not finding superclass in library

2015-02-23 Thread Ramiro Barrantes
Hello, I have a library that I created that defines a parent class, assayObject. I created other classes that inherit from it, say assayObjectDemo. Each one of those classes I wanted to make in its own directory separate from where the assayObject is defined (there are reasons for that). But

Re: [R] How to have NLME return when convergence not reached

2014-12-03 Thread Ramiro Barrantes
: Martin Maechler [maech...@stat.math.ethz.ch] Sent: Wednesday, December 03, 2014 3:26 AM To: Bert Gunter Cc: Ramiro Barrantes; r-help@r-project.org Subject: Re: [R] How to have NLME return when convergence not reached Bert Gunter gunter.ber...@gene.com on Tue, 2 Dec 2014 14:03:44 -0800 writes

[R] How to have NLME return when convergence not reached

2014-12-02 Thread Ramiro Barrantes
Hello, I am trying to fit many hundreds of simulated datasets using NLME (it's all in a big loop in R). Some don't seem to converge. I am working on addressing the issues by perhaps adjusting my simulation, or tweaking iteration steps in nlme, etc. However, when it doesn't converge, NLME

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread Ramiro Barrantes
Great suggestion!! Will give that a try. From: William Dunlap [wdun...@tibco.com] Sent: Tuesday, December 02, 2014 4:49 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: [R] How to have NLME return when convergence not reached You could try using

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread Ramiro Barrantes
! From: Bert Gunter [gunter.ber...@gene.com] Sent: Tuesday, December 02, 2014 4:30 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: [R] How to have NLME return when convergence not reached ?try Or ?tryCatch Bert Sent from my iPhone -- please excuse typos

[R] binary to R object

2014-07-30 Thread Ramiro Barrantes
Hello, I have stored R objects as hexadecimals in a mysql database, I then usually transform them to binary and then save it into a file. E.g. hex - getBlob #gets blob from database as hexadecimal binary - transformToBinary(hex) #moves from hex to binary I would usually save them into

Re: [R] binary to R object

2014-07-30 Thread Ramiro Barrantes
rawConnection did it!! Thank you very much!!! From: Prof Brian Ripley [rip...@stats.ox.ac.uk] Sent: Wednesday, July 30, 2014 4:14 PM To: Ramiro Barrantes; r-help@r-project.org Subject: Re: [R] binary to R object What type actually is 'binary' here? We

[R] scatterplot of two y's

2014-02-17 Thread Ramiro Barrantes
Hello, Sorry if this is repeated somewhere, I imagine it must be a common issue but I can't find an answer! I have a data.frame with two responses, example (response variables to x are y1 and y2): df-data.frame(x=1:10,y1=1:10,y2=11:20) I would like to see it on the same plot with different

[R] R encrypt/decrypt

2013-01-09 Thread Ramiro Barrantes
Hello, 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 provide some basic level of fast

Re: [R] R encrypt/decrypt

2013-01-09 Thread Ramiro Barrantes
...@gmail.com] on behalf of Suzen, Mehmet [msu...@gmail.com] Sent: Wednesday, January 09, 2013 3:38 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: [R] R encrypt/decrypt On 9 January 2013 18:59, Ramiro Barrantes ram...@precisionbioassay.com wrote: I am working on a web system (php) that uses

Re: [R] Class that wraps Data Frame

2012-09-03 Thread Ramiro Barrantes
] Sent: Friday, August 31, 2012 12:33 PM To: Bert Gunter Cc: David Winsemius; r-help@r-project.org; Ramiro Barrantes Subject: Re: [R] Class that wraps Data Frame I guess there are two issues with data.frame. It comes with more than you probably want to support (e.g., list and matrix- like subsetter

[R] Class that wraps Data Frame

2012-08-31 Thread Ramiro Barrantes
Hello, I have again a good practices/programming theory question regarding data.frames. One of the fundamental objects that I use is the data frame with a particular set of columns that I would fill or get information from, and an entire system would revolve around getting information from or

[R] Best Programming Practices regarding data frames

2012-08-01 Thread Ramiro Barrantes
Hello, I come from using different programming languages (C++, Mathematica, Perl) but have been using R extensively for several months. I see the data frame as a key piece of the language and wanted to inquire people's experience regarding its use. Say you have a data frame D D -

Re: [R] reclaiming lost memory in R

2012-04-10 Thread Ramiro Barrantes
process' memory use would grow but not as much as to hit against memory limits. Thanks again to Drew, William and Liviu for the suggestions. Ramiro From: Drew Tyre [aty...@unl.edu] Sent: Tuesday, April 10, 2012 11:17 AM To: William Dunlap Cc: Ramiro Barrantes; r

Re: [R] reclaiming lost memory in R

2012-04-06 Thread Ramiro Barrantes
any other suggestions or clues. Ramiro From: William Dunlap [wdun...@tibco.com] Sent: Thursday, April 05, 2012 9:21 PM To: Drew Tyre; Ramiro Barrantes Cc: r-help@r-project.org Subject: RE: [R] reclaiming lost memory in R -Original Message- From: r

[R] reclaiming lost memory in R

2012-04-05 Thread Ramiro Barrantes
Dear list, I am trying to reclaim what I think is lost memory in R, I have been using gc(), rm() and also using Rprof to figure out where all the memory is going but I might be missing something. I have the following situation basic loop which calls memoryHogFunction: for i in (1:N) {

[R] Nlme not working on very similar initial values

2012-04-03 Thread Ramiro Barrantes
Hello, I am using CentOS Linux 6.0, R 2.14.1 and nlme 3.1-103 I am trying to fit some models using nlme, and what was happening was that it would get to some datasets and just stall, the memory usage would grow and grow and eventually crash. I looked carefully into one of the datasets and ran

Re: [R] R process taking over memory

2012-04-02 Thread Ramiro Barrantes
_ ___ From: Prof Brian Ripley [rip...@stats.ox.ac.uk] Sent: Sunday, April 01, 2012 4:04 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: [R] R process taking over memory You haven't even told us your OS (see the posting guide). But the usual way is to get

[R] R process taking over memory

2012-04-01 Thread Ramiro Barrantes
Hello, I have a general question on the possibility of how to catch and stop a function when it uses too much memory. The problem is that some datasets, when applied to nlme (a relatively older version), cause the nlme function to just hang forever and start taking over memory (this afternoon

[R] Timer on a function

2012-03-15 Thread Ramiro Barrantes
Hello, I have a program that consists of a loop fitting a function over many models. Sometimes the fitting on a particular model takes minutes to converge. Is there a way that I can limit the amount of time that R spends on a given model: say if my line is: fittingFunction( func,

Re: [R] Using Sweave to generate multiple documents

2012-01-18 Thread Ramiro Barrantes
the Lundholm article: http://journal.r-project.org/current.html From: Michael Friendly [frien...@yorku.ca] Sent: Monday, January 16, 2012 8:45 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: Using Sweave to generate multiple documents On 1/16

[R] Using Sweave to generate multiple documents

2012-01-16 Thread Ramiro Barrantes
Hello, I tried looking for a Sweave-specific list but didn't find one, nor did I find an answer via google, so will send this question to the general R list. Please feel free to point me in the right direction. I am using Sweave and would like to have a single .Rnw document that generates 1)

[R] Converting BY to a data.frame

2012-01-10 Thread Ramiro Barrantes
Hello, I am trying to convert BY to a data frame, consider the following example: exampleDF-data.frame(a=c(1,2),b=c(10,20),name=c(first,second)) exampleBY-by(exampleDF,with(exampleDF,paste(a,b,sep=_)),   function(x) {     data.frame(