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The NLIN Procedure

Output Data Sets

The data set produced by the OUTEST= option in the PROC NLIN statement contains the parameter estimates on each iteration including the grid search.

The variable _ITER_ contains the iteration number. The variable _TYPE_ denotes whether the observation contains iteration parameter estimates ('ITER'), final parameter estimates ('FINAL'), or covariance estimates ('COVB'). The variable _NAME_ contains the parameter name for covariances, and the variable _SSE_ contains the objective function value for the parameter estimates. The variable _STATUS_ indicates whether the estimates have converged.

The data set produced by the OUTPUT statement contains statistics calculated for each observation. In addition, the data set contains all the variables in the input data set and any ID variables that are specified in the ID statement.

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