search for: skeptical

...ghly positively skewed). I want to determine pseudo R^2 now. However, using the pR2() of the pscl package offers drastically higher R^2 values than I get using linear regressions, and that I am "used" from the dataset which I know well (it might sound weird, but sometimes you're just skeptical of the results after you worked a while on the data). Now I know that linear regression fits worse and therefor r^2 might be underestimated, but the differences are drastic: R^2 McFadden r2ML r2CU m1 0.13 0.27 0.32 0.42 m2 0.17 0.27 0.33 0.43 m3 0.06 0.19 0.36 0.40 m4 0.11 0.21 0.38 0.42 m5 0.14...

Hello, I''m scheduled to give a rspec brown bag this Wednesday (11/22) for my company (Pivotal Computer Systems, http://www.pivotalsf.com). I did see Dave Astel''s talk as well as several of my coworkers. The developers at my workplace are experienced Agile developers. What would be some good things to focus on for this brown bag? Are there slides to presentations that would be

I am thinking of moving from a traditional PBX to an asterisk box. Many of my leadership group are skeptical of asterisk. So I was hoping to find a call center that is currently using this technology that would not mind spending some time on a conference call to address some concerns that my team has. Thanks Ted Foote Allied Business Services, Inc. 616-741-0437 -------------- next part -----...

...ime. IIUC, the Native file format was designed to be the fastest on-memory or on-disk file format for object files. The problem is that no one is working on that. No LLVM tools can produce object files in the Native, thus the feature of supporting the format is useless in the linker. I'm also skeptical about the very idea of defining a new file format since existing file formats look to be good enough. It's maintenance cost is real. I needed to submit a few patches for the Native format for global refactoring. Here I'm proposing removing the Native file format support from LLD unless th...

...what you are seeing. You may also want to try >>> editing the indirect call instruction to a direct call without otherwise >>> modifying the binary; if that reproduces the 1.8% speedup then it will be >>> convincing. >>> >> >> Honestly I was somewhat skeptical about what you wrote here, but I >> observed 0.4% *slowdown* when I used gcc to compile it, so looks like I was >> wrong. It is possible that devirtualization might have been effective for >> clang-generated code, but it is more likely that that was a result of some >> perfo...

...ar R Developers, This is my first time subscribing to this list, so let me start out by saying thank you all very much for the incredible contribution you have made to science through your work on R. As you all know many users of commercial stat packages, their managers, directors, CIOs etc. are skeptical of R's quality/accuracy. And as the recent NY Times article demonstrated, the commercial vendors rarely miss an opportunity stoke those fears. I have read many r-help posts on this subject so I was aware that R was developed and tested with great care, but until I read the clinical trials doc,...

I wonder if part of the reasoning behind moving klibc into the Kernel itself and integrating it with kbuild has to do with creating a common base system for the initramfs that is meant to work across all Linux distros? I'm very skeptical that such a thing can be created in a way that would satisfy everyone, and maintained peacefully with no forks. I've been helping Jeff Bailey of Canonical with the 'initramfs-tools' package for Ubuntu. We've got a modular design that is extensible by way of installing packages and...

...just at a higher level program abstraction; a higher-level IR. Concurrent languages can help, but history shows that it's tough to get them accepted. HPF is a four-letter word here. ;) Now CAF, on the other hand... Maybe this trend will change with the new silicon constraints, but I'm skeptical. We'll be programming in C, C++ and Fortran for a long time. The compiler is going to have to find parallelism and the user is going to have to help with directives. -Dave

On 27 April 2010 19:16, David Greene <dag at cray.com> wrote: > IMHO, LLVM is the wrong > place to deal with these.  It should be done at a higher level. > It _can_ be done at the LLVM IR level, but much less conveniently. Now I agree with you, completely. ;) It is important, it is the future, but it is in the library/language definition space that the solution will be more

...ng. When people thought the earth was spherical, they were wrong. But if you think that thinking the earth is spherical is just as wrong as thinking the earth is flat, then your view is wronger than both of them put together." Isaac Asimov (1989). "The Relativity of Wrong." The Skeptical Inquirer, 14(1), 35-44. Fall 1989. http://chem.tufts.edu/AnswersInScience/RelativityofWrong.htm

...54:09PM +0200, Karol Herbst wrote: > > I really would like to provide you more information about such > > workaround but I'm not aware of any ;-) I have not seen any issues like > > this when D3cold is properly implemented in the platform. That's why > > I'm bit skeptical that this has anything to do with specific Intel PCIe > > ports. More likely it is some power sequence in the _ON/_OFF() methods > > that is run differently on Windows. > > yeah.. maybe. I really don't know what's the actual root cause. I just > know that with this wor...

...pulating them and representing this in SelectionDAG requires some very ugly hacks. This is also the case for several DSPs, which have separate address and data registers, and for upcoming Intel chips with MPX that have 4 hardware bounds registers that need keeping in sync with pointers. I am a bit skeptical about the need for pointer types; I don’t think it is the right level of abstraction for an instruction selector. The processors I know about with separate address and data registers (Blackfin, m86k, TriCore) would be modeled perfectly by the register bank labels in the proposal. Won’t that work f...

...the fastest on-memory or > > on-disk file format for object files. The problem is that no one is > working > > on that. No LLVM tools can produce object files in the Native, thus the > > feature of supporting the format is useless in the linker. > > > > I'm also skeptical about the very idea of defining a new file format > since > > existing file formats look to be good enough. > > > > It's maintenance cost is real. I needed to submit a few patches for the > > Native format for global refactoring. > > > > Here I'm propo...

I've attached my initial thoughts on the design for the v2v tool. -- Matthew Booth, RHCA, RHCSS Red Hat Engineering, Virtualisation Team M: +44 (0)7977 267231 GPG ID: D33C3490 GPG FPR: 3733 612D 2D05 5458 8A8A 1600 3441 EA19 D33C 3490 -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: v2v-pseudo.txt URL:

...ectness is trivial, but you lose some (theoretical?) optimization benefits by doing procedurization early. 2. Late procedurization where the IR has explicit parallelism constructs and all optimizers preserve its correctness requirements (this is your #4). While this is possible in theory, I'm skeptical that this could make sense, and your proposal certainly isn't the right way to do it. > 4) Make all optimizations thread-aware. Best approach in theory, no > compilers exist that go as far. It's not clear to me exactly what sorts of optimizations that late procedurization is attempt...

...aren't in the same block, and we don't have an IR > transformation to put them in the same block, we should fix that > rather than introducing an instrinsic for this special case, I > think... Okay, thinking about it a bit more, I don't think this is practical. I'm still skeptical that adding platform-independent intrinsics for arbitrary ARM instructions is a good idea simply because we don't have the infrastructure to handle them otherwise. It wouldn't be especially hard to allow target-specific transforms on IR... -Eli

OvermindDL1 <overminddl1 at gmail.com> writes: [snip] > On this first compile everything compiled except for llc and lli, > which did not link due to: > unresolved external symbol "class llvm::FunctionPass * __cdecl > llvm::createPBQPRegisterAllocator(void)" That is because the lib/CodeGen project file is missing PBQP.cpp. [snip] > On Fri, Oct 10, 2008 at 2:11

The summary function behaves inconsistently with data frame columns, e.g. summary(rock) #max of area 12212, correct summary(rock$area) #max of area 12210, incorrect max I know that summary(rock$area, digits=5) will correct the error (I DID read the manual). But my point is the inconsistency, because I get the correct answer without having to add the digits option in the first

...re joining llvm. Learning llvm is a big enough task in itself and contrary to what you may believe.. its not globally known yet. Switching to something at this stage in the game is premature and an uncesssary headache. In my personal opinion, subversion is better with its features. But I'm skeptical to its stability since its so young. Waiting awhile to switch would give it a chance to mature and for the community to start switching over. -Tanya > >> >> -Tanya >> >> _______________________________________________ >> LLVM Developers mailing list >> LL...

...ng. When people thought the earth was spherical, they were wrong. But if you think that thinking the earth is spherical is just as wrong as thinking the earth is flat, then your view is wronger than both of them put together." Isaac Asimov (1989). "The Relativity of Wrong." The Skeptical Inquirer, 14(1), 35-44. Fall 1989. http://chem.tufts.edu/AnswersInScience/RelativityofWrong.htm