The SAS SystemWord下载.docx
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- 上传时间:2023-02-02
- 格式:DOCX
- 页数:27
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The SAS SystemWord下载.docx
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Intercept
Only
and
Covariates
AIC
2261.439
2178.468
SC
2266.847
2227.139
-2LogL
2259.439
2160.468
TestingGlobalNullHypothesis:
BETA=0
Test
Chi-Square
DF
Pr
>
ChiSq
LikelihoodRatio
98.9711
8
<
.0001
Score
95.9696
Wald
90.5396
Step1.Effectx3isremoved:
2176.569
2219.833
2160.569
98.8693
7
95.8501
90.4148
ResidualChi-SquareTest
0.1017
0.7498
Step2.Effectx5isremoved:
2174.676
2212.532
2160.676
98.7621
6
95.7517
90.3156
0.2089
0.9008
Step3.Effectx1isremoved:
2175.263
2207.711
2163.263
96.1755
5
93.2706
88.0773
2.7966
0.4241
Step4.Effectx4isremoved:
2176.106
2203.146
2166.106
93.3326
4
90.8401
86.0429
5.5554
0.2349
NOTE:
No(additional)effectsmetthe0.05significancelevelforremovalfromthemodel.
SummaryofBackwardElimination
Step
Effect
Removed
Number
In
x3
x5
0.1072
0.7434
x1
2.5862
0.1078
x4
2.7349
0.0982
TypeIIIAnalysisofEffects
x2
16.5718
x6
62.9176
17.9084
0.0001
AnalysisofMaximumLikelihoodEstimates
Parameter
Estimate
Standard
Error
0.4673
0.2976
2.4647
0.1164
0.2327
0.0572
-0.6089
0.0768
-0.5004
0.1193
17.5977
-0.3403
0.1849
3.3893
0.0656
OddsRatioEstimates
PointEstimate
95%Wald
ConfidenceLimits
1.262
1.128
1.412
0.544
0.468
0.632
x71vs3
0.606
0.480
0.766
x72vs3
0.712
0.495
1.022
AssociationofPredictedProbabilitiesand
ObservedResponses
PercentConcordant
61.1
Somers'
D
0.275
PercentDiscordant
33.6
Gamma
0.290
PercentTied
5.3
Tau-a
0.135
Pairs
668880
c
0.638
WaldConfidenceIntervalforAdjustedOddsRatios
Unit
95%ConfidenceLimits
1.0000
ThePHREGProcedure
WORK.EXAMPLE19_3
DependentVariable
time
CensoringVariable
case
CensoringValue(s)
TiesHandling
DISCRETE
SummaryoftheNumberofEventandCensoredValues
Stratum
id
Event
Censored
Percent
50.00
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