[R] R Quantreg package: "CI" constraint in qss

From: thierrydb <thierrydb_at_gmail.com>
Date: Sat, 22 Mar 2008 14:30:50 -0700 (PDT)


For a few large set of points, whenever I use a "CI" constraint in the qss term, I get the following error message: Warning message:
In rq.fit.sfnc(x, y, tau = tau, ...) :
  tiny diagonals replaced with Inf when calling blkfct

Without any constraint, these sets work well. Does anyone know how to solve this problem?

Thank you very much,


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