search for: multidimenst

Displaying 2 results from an estimated 2 matches for "multidimenst".

2008 Apr 22
2
Multidimensional contingency tables
How does one ideally handle and display multidimenstional contingency tables in R v. 2.6.2? E.g.: > prob1<- data.frame(victim=c(rep('white',4),rep('black',4)), + perp=c(rep('white',2),rep('black',2),rep('white',2),rep('black',2)), + death=rep(c('yes','no'),4), count=c(19,13...
2006 Mar 16
1
running median and smoothing splines for robust surface f itting
...here's no natural ordering in 2D, so defining running medians can be tricky. I seem to recall Prof. Koenker talked about some robust 2D smoothing method at useR! 2004, but can't remember if it's available in some packages. Andy From: Vladislav Petyuk > > Hi, > Are there any multidimenstional versions of runmed() and > smooth.spline() functions? I need to fit surface into quite > noisy 3D data. > > Below is an example (2D) of kind of fittings I do. > Thank you, > Vlad > > #=generating complex x,y dataset with gaussian & uniform > noise== x <-...