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mode_info
2006 Jan 17
4
find_by_sql column ordering defect?
Hello.
I have a program that accesses a metadata (translation) table for column
names as well as the ordering of columns for a specific model. Also in
there is a collection of bool options such as column_visible_on_form,
column_visible_on_screen_quicklist etc. The idea is that our customer
can specify to a certain extent how their layout/user interface will
appear.
To accomplish this, I use
2010 Jun 08
0
GMM: "The covariance matrix of the coefficients is singular"
...igma^6-30*prob*sigma_s^6)/(1-2*prob)
g <- cbind(m1, m2, m3, m4, m5, m6)
return(g)
}
Initial value for the parameters:
tet0
[1] 12.1824940 -0.7408182 20.0855369 0.5000250 2.0137527 2.2255409
Calling the function:
res <- gmm(g,x,tet0)
Warning message:
In FinRes.baseGmm.res(z, Model_info) :
The covariance matrix of the coefficients is singular
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Cheers,
Fernando