NAG Library Manual, Mark 30.1
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 G11SAF Example Program Results

 
 LOG LIKELIHOOD KERNEL ON EXIT =   -0.24039E+04
 
 MAXIMUM LIKELIHOOD ESTIMATES OF ITEM PARAMETERS ARE AS FOLLOWS
 --------------------------------------------------------------
 
 ITEM J     ALPHA(J)         S.E.       ALPHA(J,0)         PI(J)          S.E.
 ------     --------         ----       ----------         -----          ----
 
    1        1.045          0.148         -1.276           0.218         0.017
 
    2        1.409          0.179          0.424           0.604         0.022
 
    3        2.659          0.525          1.615           0.834         0.036
 
    4        1.122          0.140         -0.062           0.485         0.020
 
 
 EXPECTED (AND OBSERVED) PERCENTAGE OF CASES PRODUCING
 POSITIVE RESPONSES FOR INDIVIDUAL AND PAIRS OF ITEMS
 -----------------------------------------------------
 
                                         ITEM
                                         ----
 
 ITEM      1     2     3     4
 ----      -     -     -     -
   1     25.9
        (25.9)
   2     19.1  57.7
        (19.1)(57.7)
   3     22.5  48.0  69.4
        (22.6)(48.1)(69.5)
   4     16.4  33.9  40.6  48.8
        (16.3)(33.9)(40.7)(48.8)
 
 
 OBSERVED   EXPECTED   THETA   COMPONENT   RAW    SCORE
 FREQUENCY  FREQUENCY  SCORE   SCORE       SCORE  PATTERN
 ---------  ---------  -----   ---------   -----  -------
 
    154      147.061  -1.273     0.000       0    FFFF
     11       13.444  -0.873     1.045       1    TFFF
     42       42.420  -0.846     1.122       1    FFFT
     49       54.818  -0.747     1.409       1    FTFF
      2        5.886  -0.494     2.167       2    TFFT
     10        8.410  -0.399     2.455       2    TTFF
     27       27.511  -0.374     2.531       2    FTFT
     84       92.062  -0.332     2.659       1    FFTF
     10        6.237  -0.019     3.577       3    TTFT
     25       21.847   0.027     3.705       2    TFTF
     75       73.835   0.055     3.781       2    FFTT
    129      123.766   0.162     4.069       2    FTTF
     30       26.899   0.466     4.826       3    TFTT
     50       50.881   0.591     5.114       3    TTTF
    181      179.564   0.626     5.190       3    FTTT
    121      125.360   1.144     6.236       4    TTTT
 ---------  ---------
   1000     1000.000
 
 
 LIKELIHOOD RATIO GOODNESS OF FIT STATISTIC =      9.027
                         SIGNIFICANCE LEVEL =      0.251
 (BASED ON   7 DEGREES OF FREEDOM)
 
 Value of IFAIL parameter on exit from g11sa  =     0