[R] Error using betamix function

f probability for modelling a probability of deforestation between 0 and 1. I don't understand the error message, because none of the data I'm using includes NA or Inf. Does anyone has an idea of the reason why I get this error, or can tell me if I'm using the func

Re: [R] Retrieve specific y for a list of x on a ploted line

Sorry for my bad explanation (french people don't speak english well , it is known). I tried predict.smooth.spline and it's working. The aim of this work was to extract the y for x=1, x=2, x=3 etc on the ploted line. Thank you for your time. Best Regards Camille REROLLE 2013/5/6 B

[R] Retrieve specific y for a list of x on a ploted line

awn #For x in 1:100 on curv, I want to retrieve each corresponding y and sort coordinates in a table. I search on the forum, the RSiteSearch, the R-intro.pdf, and I read the book of the most common graph packages... But I don't find the specific answer for my problem. Can you help me

Re: [R] Interpreting predictions of svm

Jessica- Thanks for responding quickly to me; I have fund a solution to my problem this morning. Kind regards, Camille [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] ROC Analysis

the slope between two points on the ROC curve and so I have x points and x-1 slope values. How to get the graph?! All the best, Camille - -- Camille Leclerc, Master student Lab ESE, UMR CNRS 8079 Univ Paris-Sud Bat 362 F-91405 Orsay Cedex FRANCE -- View this message in context: http://r.7

Re: [R] ROC Analysis

in my case, I want calculated the LR with the third way. So, LR (x,y) =(sensitivity (x)-sensitivity (y))/(specificity (y)-specificity (x)) = (TPR(x)-TPR (y))/(FPR (x)-FPR (y)) It is possible ?! All the best, Camille - -- Camille Leclerc, Master student Lab ESE, UMR CNRS

Re: [R] ROC Analysis

l the best, Camille - -- Camille Leclerc, Master student Lab ESE, UMR CNRS 8079 Univ Paris-Sud Bat 362 F-91405 Orsay Cedex FRANCE -- View this message in context: http://r.789695.n4.nabble.com/ROC-Analysis-tp4469203p4475038.html Sent from the R help mailing list archive at

Re: [R] ROC Analysis

method, I have an abscissa which has values between 0 and 1. All the best, Camille - -- Camille Leclerc, Master student Lab ESE, UMR CNRS 8079 Univ Paris-Sud Bat 362 F-91405 Orsay Cedex FRANCE -- View this message in context: http://r.789695.n4.nabble.com/ROC-Analysis-tp4469203p4471300.html

[R] ROC Analysis

But, now I want a new graphic which show the sum of true positive fraction and true negative fraction according each value on my data set (tpf + tnf according the values). http://r.789695.n4.nabble.com/file/n4469203/02.png If you have an idea ! Thank you very much for all help, Camille Leclerc

Re: [R] How to enable Arial font for postcript/pdf figure on Windows?

unction in R with the following line: postscript(file="try.ps", horizontal=F, onefile=F, width=4, height=4, pointsize=12, family=c ( “C:/ttf2afm/arial.afm", “C:/ttf2afm/arial-Bold.afm ", “C:/ttf2afm/arial-Oblique.afm ", “C:/ttf2afm/arial-BoldOblique.afm " ) ) hist( rnorm(

Re: [R] Help with 'boot'

rgument for the bootstrap test just tells R on what you want to bootstrap on. Just try the examples in this tutorial... Camille pgseye a écrit : Hi, I'm wanting to test for a difference in medians between 2 groups using resampling methods. I found the boot package, but don't really und