Re: [R] Singular design matrix in rq

2013-04-19 Thread Roger Koenker
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/~rogerRoger Koenker emailrkoen...@uiuc.eduDepartment of Economics vox: 217-333-4558

Re: [R] Singular design matrix in rq

2013-04-19 Thread Jonathan Greenberg
Roger: Doh! Just realized I had that error in the code -- raw_data is the same as mydata, so it should be: mydata - read.csv(singular.csv) plot(mydata$predictor,mydata$response) # A big cloud of points, nothing too weird summary(mydata) # No NAs: # Xresponse predictor

Re: [R] Singular design matrix in rq

2013-04-19 Thread William Dunlap
] Singular design matrix in rq Roger: Doh! Just realized I had that error in the code -- raw_data is the same as mydata, so it should be: mydata - read.csv(singular.csv) plot(mydata$predictor,mydata$response) # A big cloud of points, nothing too weird summary(mydata) # No NAs: # X

Re: [R] Singular design matrix in rq

2013-04-18 Thread William Dunlap
then use fewer degrees of freedom in bs(). Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com From: jgrn...@gmail.com [mailto:jgrn...@gmail.com] On Behalf Of Jonathan Greenberg Sent: Thursday, April 18, 2013 6:50 AM To: William Dunlap Subject: Re: [R] Singular design matrix in rq William

[R] Singular design matrix in rq

2013-04-16 Thread Jonathan Greenberg
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] ~

Re: [R] Singular design matrix in rq

2013-04-16 Thread William Dunlap
Spotfire, TIBCO Software wdunlap tibco.com -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Jonathan Greenberg Sent: Tuesday, April 16, 2013 12:58 PM To: r-help; Roger Koenker Subject: [R] Singular design matrix in rq Quantreggers