search for: versus

How do a plot several columns of a matrix at once in a single plot versus a single x-variable? The default plot.matrix or plot.dataframe commands plot each column versus each other column in several sub-plots. I want to plot each column versus a single other vector (x) as several lines or points in one plot. I can do it by hand: get the range of all variables (i.e. co...

I have been searching the archives and confused about some points that I am hoping could be cleared up. RSA versus DSA I seem to see a lot of messages saying this. That DSA is slow. DSA was added only to avoid a patent which is now expired. RSA is the preferred authentification method. DSA should be avoided. Which all sounds fine to me and I think I agree with that. Assuming this applies to both host key...

...or Fortran for vector of just 5 elements. The difference is very small, but this is a very small part of a much larger numerical problem in which first and second derivatives are computed numerically. This is part of a numerical method course I am teaching in which I want to compare speeds of R versus Fortran (We solve a general equilibrium problem all numerically, if you want to know). Because of this discrepancy, the Jacobian and Hessian in R versus in Fortran are quite different, which results in the Newton method producing a different solution (for a given stopping rule). Since the solut...

Having recently read about the lack of security of Active X controls, I was wondering if I could get some specifics about its lack of security versus the security of JAVA. Also about the security of JAVA under Linux. I understand that MS''s concept of security is a) investigate the vendor, b) issue a certificate of authority, 3) vendor is now trused to do anything (fox guarding the hen house!). 1. How insecure is Active X? 2. How m...

Does llvm-gcc do more, less, or the same amount of function inlining as gcc? What about llvm-g++ and g++? I am specifically interested in inlining that occurs when I run with the --emit-llvm command line flag like this: llvm-gcc -c --emit-llvm foo.c thus generating bitcode. That is, I am not interested at this moment in what happens when I run the opt or llc tools on the bit code after its

...ents. The difference is very >> small, but this is a very small part of a much larger numerical >> problem in which first and second derivatives are computed >> numerically. This is part of a numerical method course I am teaching >> in which I want to compare speeds of R versus Fortran (We solve a >> general equilibrium problem all numerically, if you want to know). >> Because of this discrepancy, the Jacobian and Hessian in R versus in >> Fortran are quite different, which results in the Newton method >> producing a different solution (for a g...

Hi, stepAIC generic plot function creates useful graphics for the diagnosis of multiple regressions. To create predicted versus observed plots, I use to look for the coefficients, copy them by hand, calculate R?, then plot. Is there a more automated way to plot predicted versus observed with its associated R? output using stepAIC, or another function? Kind regards, S.-?. Parent Universit? Laval, Qu?bec Canada -- View thi...

I'm planning for new Centos 4 computers using the 64bit distribution and is wondering if there is a difference on how much RAM memory you should use on a 32bit versus 64bit operating system? Will processes such as for example KDE, Firefox use more memory on the 64bit architecture than on the 32bit and if so by how much as a rule of thumb? Kind regards, Christian -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ce...

I'm interested to find out how many people are running tftp-hpa versus atftpd. I'm almost a bit surprised in how many people seem to be using tftp-hpa; for modern Unix systems (including Linux), I would in general assume atftpd to be a better choice. If you have tried both and specifically chosen (as opposed to "it was already installed", etc.) I&...

...mes(clabs, names(xi)) : names do not match previous names But when I use rbin.fill, that overwrites the second file w/ first one. Is there a way to replicate the sas process in R? Thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Concatenating-data-frames-in-R-versus-SAS-tp4641138.html Sent from the R help mailing list archive at Nabble.com.

I was just reading through the Rails book and I got to the part about belongs_to versus references. Shouldn''t references be allowed as a synonym to belongs_to? Looking at this from a schema in the model view point, belongs to corresponds to a foreign key with the cascade on delete option. References is just a normal forgeign key with no cascade option. -- Jon Smirl jonsmirl...

Hi, I am searching for methods to compare regression models with an ordered categorical response variable (polr versus multinom). The pattern of predictions of both methods (using the same predictor variables) is quite different and the AIC is smaller for the multinom approach. I guess polr has more strict premises for the structure of the response variable, which methods can be used to test for these premises. If...

...data set in which I have 14 predictor variables accompanying my response variable. I am not sure what the difference is between the function "mle.stepwise" found in the wle package and the functions "step" or "stepAIC"? When would one use "mle.stepwise" versus "step/stepAIC"? Other than the references in the R-software, is there anything which discusses the use of "mle.stepwise"? Thank you kindly in advance for any insight offered. Jim Brindle

Dear R users, i try to produce the fold change versus fold change plot where i have the values for x and y ranging from 0.01 to 100. So i start with plot(x,y,xlim=c(0.01,100),ylim=c(0.01,100), axes=F). Then i would like both axes to have tick marks as c(0.01,0.1,1,10,100) but they should appear equidistant. How should i manage this? Thank you for you...

Heya, I'm sorry for spamming these forums!! :P I'm trying out games on wine. I got to install Alien Versus Predator, the old Win95/98 version. It seems to run just fine except for the mouse. I can't do 360 degree turns. The mouse is also limited in the vertical axis. It feels like there, behind my screen, is a window in which my cursor-arrow moves. A window smaller than the screen and when the curso...

What is the difference of using 2L versus 2 as the margin argument in the apply() function? Where can I find detailed information on all of the possible margin arguments? > x [,1] [,2] [1,] 1 2 [2,] 3 4 [3,] 5 6 [4,] 7 8 [5,] 9 10 > sqrt(apply(x, *2L*, function(r.st) var(r.st[!is.na(r.st)]))) [1] 3....

...a quick tutorial on zfs, I came across a way to create zfs filesystem within a filesystem. For example: # zfs create mytest/peter where mytest is a zpool filesystem. When does this way, the new filesystem has the mount point as /mytest/peter. When does it make sense to create such a filesystem versus just creating a directory? # mkdir mytest/peter Thank you in advance for your help. Regards, Peter -- This message posted from opensolaris.org

I'm posting this as I'm trying to evaluate DEFAULT versus UI. As it stands right now, the use of the UI directive means that DEFAULT is effectively ignored from the command line. If you specify UI and DEFAULT and use (vesa)menu.c32, (vesa)menu.c32 will use DEFAULT unless a MENU DEFAULT option exist in the current context. If the attempt to execute a co...

Dear all, I am trying to simulate the null distribution for the likelihood ratio test statistic for testing 1 random effect versus no random effect. The asymptotic null distribution should be a mixture of a chi-squared distribution with 0 degrees of freedom and a chi-squared distribution with 1 degree of freedom. This means that I expect a point mass of 50% on 0 for the likelihood ratio test statistic. However, when I ge...

Hi R Users, I am very new to R and would like to do something quick if possible, please help! Suppose I have a data set of y versus x, how can I generate a smoothing line of y versus x (for example, using loess) and at the same time, generate a pair of confidence intervals for the smoothing or mean plus/minus standard deviation? Yi Zhu Golder Associates Inc. USA -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-....