Jonathan, This is not what we call a reproducible example... what is raw_data? Does it have something to do with mydata? what is i?
Roger url: www.econ.uiuc.edu/~roger Roger Koenker email rkoen...@uiuc.edu Department of Economics vox: 217-333-4558 University of Illinois fax: 217-244-6678 Urbana, IL 61801 On Apr 16, 2013, at 2:58 PM, Greenberg, Jonathan wrote: > Quantreggers: > > I'm trying to run rq() on a dataset I posted at: > https://docs.google.com/file/d/0B8Kij67bij_ASUpfcmJ4LTFEUUk/edit?usp=sharing > (it's a 1500kb csv file named "singular.csv") and am getting the following > error: > > mydata <- read.csv("singular.csv") > fit_spl <- rq(raw_data[,1] ~ bs(raw_data[,i],df=15),tau=1) > > Error in rq.fit.br(x, y, tau = tau, ...) : Singular design matrix > > Any ideas what might be causing this or, more importantly, suggestions for > how to solve this? I'm just trying to fit a smoothed hull to the top of the > data cloud (hence the large df). > > Thanks! > > --jonathan > > > -- > Jonathan A. Greenberg, PhD > Assistant Professor > Global Environmental Analysis and Remote Sensing (GEARS) Laboratory > Department of Geography and Geographic Information Science > University of Illinois at Urbana-Champaign > 607 South Mathews Avenue, MC 150 > Urbana, IL 61801 > Phone: 217-300-1924 > http://www.geog.illinois.edu/~jgrn/ > AIM: jgrn307, MSN: jgrn...@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.