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mate
2009 May 29
1
Error messages/systemfit package
...p3 + tsyus1 + tsupf + tsd1 + tsyud1 + tspo + tssn + tsupp + tsus +
tsus1 + tsyn + tsqn + tsksn
result2sls <-systemfit(method="2SLS", system, labels, inst=inst)
This does not work and I have the following error message that I do not understand its meaning:
Error in solve(crossprod(zMatEq[[i]]), crossprod(zMatEq[[i]], xMatAllThisEq), :
the leading minor of order 3 is not positive definite
Can you help me please to understand the problem?
Remark1: Please note that in my estimation, the variables tsyud1, tsupp1, tsupp2, tsupp3, and tsyus1 are lagged variables.
Remark2: When...