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PROC MIXED Convergence criteria not met.

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PROC MIXED Convergence criteria not met.

LOG FILE

9 proc mixed data=tmp1.milkprod convh=1E-4 maxiter=5 noclprint ;
10 ods output SolutionR =cows ;
WARNING: Duplicate data set name on ODS OUTPUT statement. Entry will be ignored.
11 ods output SolutionF =fixed;
WARNING: Duplicate data set name on ODS OUTPUT statement. Entry will be ignored.
12 class parity cmonth age_cl dccclass obs date dimclass herdbook;
13 model milk= cmonth age_cl(parity) dccclass dimclass(parity) date/singular=1e-8 s
13 ! outp=predict ddfm=res;
14 random int / sub=herdbook type=simple s;
15 repeated obs/ type=simple sub=herdbook;
16 run;

NOTE: An infinite likelihood is assumed in iteration 0 because of a nonpositive definite estimated R
matrix for HERDBOOK 300000006.

WARNING: Output 'SolutionF' was not created. Make sure that the output object name, label, or path
is spelled correctly. Also, verify that the appropriate procedure options are used to
produce the requested output object. For example, verify that the NOPRINT option is not
used.
WARNING: Output 'SolutionR' was not created. Make sure that the output object name, label, or path
is spelled correctly. Also, verify that the appropriate procedure options are used to
produce the requested output object. For example, verify that the NOPRINT option is not
used.
NOTE: The data set WORK.PREDICT has 0 observations and 0 variables.
NOTE: PROCEDURE MIXED used (Total process time):
real time 29:07.28
cpu time 9:52.12


OUTPUT

The Mixed Procedure

Model Information

Data Set TMP1.MILKPROD
Dependent Variable milk
Covariance Structure Variance Components
Subject Effects HERDBOOK, HERDBOOK
Estimation Method REML
Residual Variance Method Parameter
Fixed Effects SE Method Model-Based
Degrees of Freedom Method Residual


Dimensions

Covariance Parameters 2
Columns in X 216
Columns in Z Per Subject 1
Subjects 23501
Max Obs Per Subject 43


Number of Observations

Number of Observations Read 527310
Number of Observations Used 527310
Number of Observations Not Used 0


While excuting the same code on tmp2.milkprod works fine, the data are different in the two data sets.
SAS Employee
Posts: 174

Re: PROC MIXED Convergence criteria not met.

Posted in reply to deleted_user
Redha,

ODS is complaining because WORK.COWS and WORK.FIXED are already assigned as ODS OUTPUT data sets. Why that is the case cannot be determined from the code fragment. Presumably they were assigned in previously executed code.

I recommend that you contact Technical Support with this problem. You can submit it online at http://support.sas.com/ctx/supportform/index.jsp .

-- David Kelley, SAS
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