jimi9876
以下是SAS help 里面genmod的一个例子的结果,结果里可以看出两个因子都显著,但想请教一下如何计算两个因子影响的总的显著性,就是model的显著性;另外还想请教一下如何计算两个因子之间的差异,即哪个影响更大,差异是否显著。
谢谢!
Class Level Information
Class Levels Values
car 3 large medium small
age 2 1 2
Criteria For Assessing Goodness Of Fit
Criterion DF Value Value/DF
Deviance 2 2.8207 1.4103
Scaled Deviance 2 2.8207 1.4103
Pearson Chi-Square 2 2.8416 1.4208
Scaled Pearson X2 2 2.8416 1.4208
Log Likelihood 837.4533
Analysis Of Parameter Estimates
Paramete DF Estimate Error Wald 95% Chi-Square Pr > ChiSq
Intercept 1 -1.3168 0.0903 -1.4937 -1.1398 212.73 <.0001
car large 1 -1.7643 0.2724 -2.2981 -1.2304 41.96 <.0001
car large 1 -0.6928 0.1282 -0.9441 -0.4414 29.18 <.0001
car large 0 0 0 0 0 . .
age 1 1 -1.3199 0.1359 -1.5863 -1.0536 94.34 <.0001
age 2 0 0 0 0 0 . .
Scale 0 1 0 1 1
LR Statistics For Type 1 Analysis
Source Deviance DF Chi-Square Pr > ChiSq
Intercept 175.1536
car 107.462 2 67.69 <.0001
age 2.8207 1 104.64 <.0001