[问答] SIBTEST error [推广有奖]

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megu 发表于 2014-3-13 17:40:20 |AI写论文

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不知道坛子里有用过SIBTEST package做DIF分析的不，我运行时出现了如下错误，求助：
                     SUMMARY OF THE RUNS

p-value notation:
R  denotes p-value for test of DIF/DBF against Ref. group
F  denotes p-value for test of DIF/DBF against Foc. group
E  denotes p-value for test of DIF/DBF against either the
                                       Ref. or Foc. group.

NOTES:
      MS/SSD = Matching Subtest Standardized Score Difference.
               Standardized difference in mean observed scores
               between Reference group and Focal group on the
               matching subtest.

      p-elim = proportion of Reference (R) and Focal (F) groups
               eliminated (not used) in SIBTEST calculations.

      Positive Beta estimate indicates DIF/DBF favoring Ref. grp.
      Negative Beta estimate indicates DIF/DBF favoring Foc. grp.

      FLAG = error flag indicator.  FLAG=0 indicates a normal
            successful completion of a SIBTEST run.  All other values
            of FLAG come with short error messages.

      SIBTEST-pooled weighting                                                 F
                                                                                                L
Run  Suspect Subtest       Beta standard          p-elim MS    A
no.  Item Numbers          estimate  error p-value R F SSD  G