I have just installed an updated version of an application that has always worked in the past, but now I am getting syntax errors in the updated library files. What do I do?
A. You are having problems because the GAUSS application you are trying to use with your older version of GAUSS was built using the current shipping version of GAUSS. The GAUSS applications library files or *.lcg files now have line numbers included that your version of GAUSS does not understand. The resolution is fairly straightforward: using the library tool, rebuild the GAUSS applications library files. For example, if you have just installed Maximum Likelihood 5.0 you would need to rebuild the “maxlik.lcg” and the “count.lcg” files.
A. You are having problems because the GAUSS application you are trying to use with your older version of GAUSS was built using the current shipping version of GAUSS. The GAUSS applications library files or *.lcg files now have line numbers included that your version of GAUSS does not understand. The resolution is fairly straightforward: using the library tool, rebuild the GAUSS applications library files. For example, if you have just installed Maximum Likelihood 5.0 you would need to rebuild the “maxlik.lcg” and the “count.lcg” files. [Back] Q. The covariance matrix returned from Maxlik (or CML or CMLMT) is a missing value, or I’m getting the error message, “Hessian calculation failed”, or the standard errors are not being printed with the estimates. A. The covariance matrix is a missing value because the Hessian matrix from which it is calculated failed to invert. This means it contains linear dependencies. These dependencies can be due to poor scaling of the data, catastrophic fail
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