Re: [R] probabilty calculation in SVM

"Das, Rajdeep" <[EMAIL PROTECTED]> writes: > measure for each prediction. I like to know what is method that is used for > calculating this probability. Is it calculated using logistic link function? You can find more details in the section 8 of http://www.csie.ntu.edu.tw/~cjlin/papers/libsvm.p

Re: [R] Overlapping grid in plot

On Sat, 15 Jan 2005 23:02:25 +, "Robin Gruna" <[EMAIL PROTECTED]> wrote : >Hi, >I want to create a barchart plot with a grid. The grid is overlapping my >plot and legend, looking not very nice. How can I put the grid into the >background of my plot? You should show some sample code to illustr

[R] RMySQL vs. Rdbi

Hello, I know that the topics of using large datasets in R vs. SAS, using PostGreSQL vs MySQL, and using databases with R have been discussed extensively on this list and elsewhere. However I hope that I have a slightly new combination of the questions here. I am doing my PhD research on a larg

[R] Overlapping grid in plot

Hi, I want to create a barchart plot with a grid. The grid is overlapping my plot and legend, looking not very nice. How can I put the grid into the background of my plot? Thank you, Robin __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mail

RE: [R] Centered variables and mixed-model

Martin, You got some fine response already from other r-users. Indeed, centering explanatory variables is quite common and it really can have benefits in numerical accuracy. However one might also use centering for response variable and even standardization i.e. x - mean(x) / sd(x). This might i

Re: [R] graphing of Princomp object

On Sat, 15 Jan 2005 15:53:18 +0100 List account <[EMAIL PROTECTED]> wrote: > Thanks, Tobias for the response. > > I tried the suggestion you gave, and apparently (at least according to > the biplot manpage, only the first two members of the col vector are > used, the first to plot the first set

Re: [R] Seeking pointers to help

Sean, I'll check out the PostgreSQL Pl/R. I've poked through the postings on batch processing and don't get it yet. I'm new enough to each of these tools that I know I'm missing a couple of key bits that pull it all together. I need to play so I can construct a specific intellegent question. T

Re: [R] pair() and X11 fonts error

John Dougherty <[EMAIL PROTECTED]> writes: > On Friday 14 January 2005 23:29, John Dougherty wrote: > > I am encountering an font error when using either plot() or pairs() for a > > scatter plot matrice under some circumstances. For instances pairs(hills) > > using the "hills" data set in MASS re

Re: [R] Newbie question regarding graphing of Princomp object

On Sat, 15 Jan 2005 05:39:00 +0100 List account <[EMAIL PROTECTED]> wrote: > Greetings, > > I am working on a stylometric analysis of some latin texts; one of the > latest stylometric techniques involves using principal components > analysis. Not being a statistician, I can't really fully re

Re: [R] Seeking pointers to help

On Fri, 14 Jan 2005, Sean Davis wrote: On 1/14/05 19:34, "Donna-n-Doug Finner" <[EMAIL PROTECTED]> wrote: Noob alert I've been through most of the available documentation at a fairly high level - if I've missed the obvious, just point me in the right direction. Can I suggest technical questions