[R] Quantile Regression Question

[Arti Mann]

Hi,

Could you please explain what is non-positive fis error? I have been trying to use quantile regression (rq) procedure and I keep ending up with this error. I haven't been able to find an explanation for the same.

Best Regards,
Arti

Arti Mann
Ph.D. Student
Department of Information Systems
W.P. Carey School of Business
Arizona State University
Email : Arti.Mann at asu.edu