There is a mistake when i run QR:
Error in rq.fit.br(wx, wy, tau = tau, ...) : Singular design matrix
Could you help me correct the mistake?
Thank in advance,
we dont have your data. we dont know what your B is we dont know what your S is we dont know what your taus is
B
S
taus
we can guess you are using lprq from quantreg, but its impossible to help you when we don't know what you are asking lprq to do
FAQ: How to do a minimal reproducible example ( reprex ) for beginners
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