similar to: New-user support package - suggestions?

(Under 2.2.0, Mac) I have been unable to reduce this to a simple case, so I'll include my full code, and my intentions. The problem I'm trying to solve is that while many defaults (eg. na.rm=F, drop=T) make sense for interactive programming, they tend to be a bit of a pain when developing a package. For example, I often forget to use drop=FALSE, only test with multiple columns and then

tmp <- matrix(1:2) tmp tmp[,1,drop=FALSE] See the above example. Is there a way to make 'drop=FALSE' as global default, so that when I say 'tmp[,1]', R will treat it as 'tmp[,1,drop=FALSE]'?

Dear Community, I'm interested in developing a package that could ease the command-line learning curve for new users. It would provide more detailed syntax checking and commentary as feedback. It would try to anticipate common new-user errors, and provide feedback to help correct them. As a trivial example, instead of > mean(c(1,2,NA)) [1] NA we might have > mean(c(1,2,NA)) [1]

I'm re-re-reading the "Accurate Garbage Collection with LLVM", and I'm realizing that there are some parts of this document I find confusing. 1) I think that the term 'stack map' should be defined more precisely. For example, in one place it says "LVM automatically computes a stack map", and elsewhere it says "The compiler plugin is responsible for

Dear all, One of my students (whom I am trying to convince to use R) wants to get a fairly large SAS dataset into R (about 150mB). An obvious and simple thing she tried was to write the dataset as a .csv-file and then read that into R, but that takes forever (or something close to that..). The dataset is so large, that exporting it as an Excel file from SAS is not feasible (more than 65000 lines).

At the most recent Xen Summit, Thomas Friebel presented a paper ("Preventing Guests from Spinning Around", http://xen.org/files/xensummitboston08/LHP.pdf) investigating the interactions between spinlocks and virtual machines. Specifically, he looked at what happens when a lock-holding VCPU gets involuntarily preempted. The obvious first order effect is that while the VCPU is not

At the most recent Xen Summit, Thomas Friebel presented a paper ("Preventing Guests from Spinning Around", http://xen.org/files/xensummitboston08/LHP.pdf) investigating the interactions between spinlocks and virtual machines. Specifically, he looked at what happens when a lock-holding VCPU gets involuntarily preempted. The obvious first order effect is that while the VCPU is not

At the most recent Xen Summit, Thomas Friebel presented a paper ("Preventing Guests from Spinning Around", http://xen.org/files/xensummitboston08/LHP.pdf) investigating the interactions between spinlocks and virtual machines. Specifically, he looked at what happens when a lock-holding VCPU gets involuntarily preempted. The obvious first order effect is that while the VCPU is not

Hi All, Thanks Nicolas for pointing out that I needed --enable-targets=x86,cpp for my llvm config to get vmkit to build. The process gets a lot farther but fails in different places depending upon the vmkit config (Can you please see the three case below?). My machine is a intel core i7 running ubuntu karmic and gcc 4.4.1. What arch/OS/distro/gcc do you all have VMKit working on? thanks for

Dear all, I was trying to see how the function 'confint' is defined. Doing > confint function (object, parm, level = 0.95, ...) UseMethod("confint") <environment: namespace:stats> does not really enlighten me. How can I get to see the implementation (I guess it should be possible according to the general philosophy of the R project)? Thanks in advance S??ren

Dear community, I'm trying to track down a quote, but can't recall the source or the exact structure - not very helpful, I know - something along the lines that: 80% of [applied] statistics is linear regression ... ? Does this ring a bell for anyone? Thanks, Andrew -- Andrew Robinson Department of Mathematics and Statistics Tel: +61-3-8344-9763 University of

Hi Talin, Thanks for the feedback. My comments inline. On 2009-03-05, at 16:01, Talin wrote: > I'm re-re-reading the "Accurate Garbage Collection with LLVM", and > I'm realizing that there are some parts of this document I find > confusing. > > 1) I think that the term 'stack map' should be defined more > precisely. For example, in one place it

Thanks. I wonder if there is a general way of extracting var(u) and var(e), which would be needed to simulate u and e. Clearly, one can get the estimated parameters, but is there a clever way of 'setting up' the matrices?? Best S??ren On 6/19/05, S??ren H??jsgaard <Soren.Hojsgaard at agrsci.dk> wrote: > I would like to draw a sample from a linear mixed model y=Xb+Zu+e which has

>From time to time people request symbolic computations beyond what D() and deriv() etc can provide. A brief look at the internet shows that there are many more or less developed computer algebra packages freely available. Therefore, I wondered if it would be an idea to try to 'integrate' one of these packages in R, which I guess can be done in more or less elegant ways... I do not know

# The result I am after is the result after a substitution in an expression, such as substitute(expression(a+b+c), list(a=1)) expression(1 + b + c) # However, the way I want to do it is for a an expression "stored as a variable" as (expr <- expression(a+b+c)) expression(a + b + c) # a) The following does not work (expr2 <- substitute(expr, list(a=1))) expr # b) - whereas this

Dear all, One of my students have installed R1.9.0 on windows, and gets the fatal error 'invalid HOMEDRIVE' Can anyone help her/me out on that one? Thanks in advance Søren Højsgaard [[alternative HTML version deleted]]

Hi, I'm trying to build VMKit from SVN, and I'm getting a bunch of errors that all seem to be related to the TRACER macro not getting defined: llvm[3]: Compiling Assembly.cpp for Release+Asserts build In file included from Assembly.cpp:15: Assembly.h:140: error: variable or field ‘TRACER’ declared void In file included from Assembly.cpp:19: N3.h:109: error: variable or field ‘TRACER’

Hello everyone, I just thought I would let people here know that ldc (llvm backend for the D Programming Language) is getting pretty usable (a few larger libraries compile) and it now has x86-64 support added. I decided to run some timings on some D and C++ code to compare ldc to dmd (the mainline compiler), gdc (the gcc based D compiler) and g++. I used a ray tracing program found in this

Dear List, Having used R on Windows for years, I have recently installed Ubuntu as a virtual machine. I admit that I am quite new to the linux world. Installing R (current version = 2.15.1) went smoothly, but I would like to have both the current version of R and R-devel installed. I've searched the net for info on doing this but so far without luck. Can anyone help me getting this up and

Hi, I encountered a booting problem with memdisk 2.83, USB and IBM Thinkpad T61, apparently the same issue as described here: http://syslinux.zytor.com/archives/2008-April/009850.html The boot process always stops after "Loading boot sector... booting...". With debug tracers enabled, the last few output lines are: Loading boot sector... FR<p>Dbooting...