last modified: 03-NOV-1992 | catalog | categories | new | search |

NESC9438 SENSIT,MUSIG,COMSEN

SENSIT MUSIG COMSEN, Sensitivity Test Analysis

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1. NAME OR DESIGNATION OF PROGRAM:  SENSIT, MUSIG, COMSEN.
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2. COMPUTERS
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Program name Package id Status Status date
SENSIT,MUSIG,COMSEN NESC9438/01 Tested 03-NOV-1992

Machines used:

Package ID Orig. computer Test computer
NESC9438/01 IBM PC PC-80386
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3. DESCRIPTION OF PROGRAM OR FUNCTION

SENSIT, MUSIG, COMSEN is a set  of three related programs for sensitivity test analysis. SENSIT conducts sensitivity tests. These tests are also known as threshold  tests, LD50 tests, gap tests, drop weight tests, etc. SENSIT interactively instructs the experimenter on the proper level at which to stress the next specimen, based on the results of previous  responses.
MUSIG analyses the results of a sensitivity test to determine the mean and standard deviation of the underlying population by computing maximum likelihood estimates of these parameters. MUSIG also computes likelihood ratio joint confidence regions and individual confidence intervals.
COMSEN compares the result of two sensitivity tests to see if the underlying populations are significantly different. COMSEN provides  an unbiased method of distinguishing between statistical variation of the estimates of the parameters of the population and true population differences.
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4. METHOD OF SOLUTION

SENSIT conducts the sensitivity tests according to the Neyer procedure, which has been shown to be up to several times more efficient than standard sensitivity tests such as the Probit, Bruceton (Up-and-Down), Robbins-Monro, and Langlie tests. COMSEN uses the likelihood ratio test to check the hypothesis that the two samples were drawn from the same population.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME:
NESC9438/01
The programs in this package were compiled on a
PC/80386 desktop computer. The following test cases were then executed: MUSIG in 3m20s; COMSEN in 20s.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS

The likelihood ratio test used in MUSIG provides better confidence intervals than ABSENT, which computes Cramer-Rao lower bounds of the variance.
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9. STATUS
Package ID Status date Status
NESC9438/01 03-NOV-1992 Tested at NEADB
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10. REFERENCES

- SENSIT, MISIG, COMSEN, NESC No.9438, SENSIT, MUSIG, COMSEN
  Flexible Disk Cartridge Description,
  National Energy Software Center Note 90-47, March 7, 1990.
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11. MACHINE REQUIREMENTS:
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NESC9438/01 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  MS-DOS.
NESC9438/01
MS-DOS v3.31 with MS-FORTRAN V5.00 compiler.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

          B. Neyer
          EG&G Mound Applied Technologies
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16. MATERIAL AVAILABLE
NESC9438/01
File name File description Records
NESC9438_01.001 Information file 105
NESC9438_01.002 COMSEN.FOR COMSEN FORTRAN-77 source 68
NESC9438_01.003 MUSIG.FOR MUSIG FORTRAN-77 source 251
NESC9438_01.004 SENSIT.FOR SENSIT FORTRAN-77 source 317
NESC9438_01.005 SENSUB.FOR Common subroutines source 796
NESC9438_01.006 CLCOM.BAT COMSIG batch file 3
NESC9438_01.007 CLMU.BAT MUSIG batch file 3
NESC9438_01.008 CLSEN.BAT SENSIT batch file 3
NESC9438_01.009 COMSEN.EXE COMSEN executable file 0
NESC9438_01.010 MUSIG.EXE MUSIG executable file 0
NESC9438_01.011 SENSIT.EXE SENSIT executable file 0
NESC9438_01.012 TEST1 MUSIG, COMSEN sample input 21
NESC9438_01.013 TEST1.SEN SENSIT sample output 83
NESC9438_01.014 TEST2 COMSEN sample input 16
NESC9438_01.015 TEST.PRN COMSEN sample output 13
NESC9438_01.016 TEST1.PRN MUSIG sample output 61
NESC9438_01.017 ABSTRACT.DES COMSEN description 12
NESC9438_01.018 ABSTRACT.MUS MUSIG description 14
NESC9438_01.019 ABSTRACT.SEN SENSIT description 13
NESC9438_01.020 README.DES COMSEN installation 25
NESC9438_01.021 README.MUS MUSIG installation 25
NESC9438_01.022 README.SEN SENSIT installation 57
NESC9438_01.023 DOS file-names 22
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17. CATEGORIES
  • P. General Mathematical and Computing System Routines

Keywords: comparative evaluations, experimental data, personal computers, sampling, sensitivity analysis, testing.