[R] Singularity problem

Moohwan Kim kmhlmj2 at gmail.com
Fri Jan 8 22:50:51 CET 2010


Dear R family

I have a problem with invertibility in a matrix.

m1 <- ar(x, method='mle')

Error in solve.default(res$hessian * length(x)) :
  Lapack routine dgesv: system is exactly singular

How could I avoid this problem?

Best
Moohwan



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