Pressure Load /Aircraft Fastener Study 1
13:25 Sunday, January 9, 2000
CATMOD PROCEDURE
Response: F_LAB Response Levels (R)= 2
Weight Variable: FREQ Populations (S)= 10
Data Set: AIRCRAFT Total Frequency (N)= 690
Frequency Missing: 0 Observations (Obs)= 20
POPULATION PROFILES
Sample
Sample PSI Size
----------------------
1 2500 50
2 2700 70
3 2900 100
4 3100 60
5 3300 40
6 3500 85
7 3700 90
8 3900 50
9 4100 80
10 4300 65
RESPONSE PROFILES
Response F_LAB
------------------
1 Fail
2 Not_Fail
MAXIMUM-LIKELIHOOD ANALYSIS
Sub -2 Log Convergence Parameter Estimates
Iteration Iteration Likelihood Criterion 1 2
------------------------------------------------------------------------
0 0 956.54311 1.0000 0 0
1 0 844.63839 0.1170 -4.8203 0.001399
2 0 843.71251 0.001096 -5.3263 0.001545
3 0 843.71191 7.1432E-7 -5.3397 0.001548
4 0 843.71191 3.579E-13 -5.3397 0.001548
Pressure Load /Aircraft Fastener Study 2
13:25 Sunday, January 9, 2000
MAXIMUM-LIKELIHOOD ANALYSIS-OF-VARIANCE TABLE
Source DF Chi-Square Prob
--------------------------------------------------
INTERCEPT 1 95.75 0.0000
PSI 1 96.61 0.0000
LIKELIHOOD RATIO 8 0.37 1.0000
ANALYSIS OF MAXIMUM-LIKELIHOOD ESTIMATES
Standard Chi-
Effect Parameter Estimate Error Square Prob
----------------------------------------------------------------
INTERCEPT 1 -5.3397 0.5457 95.75 0.0000
PSI 2 0.00155 0.000158 96.61 0.0000