August 2009
Intermediate to advanced
648 pages
17h 35m
English
book
Categorical Data Analysis Using The SAS® System, 2nd Edition
by Maura E. Stokes, Charles S. Davis, Gary G. Koch
Content preview from Categorical Data Analysis Using The SAS® System, 2nd Edition
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13.3. Using PROC CATMOD for Weighted Least Squares Analysis
Since the CATMOD procedure is very general, it offers great flexibility in its input. Standard uses that take advantage of defaults may require no more than three or four statements. More statements are required if you take advantage of the facilities for repeated measurements analysis or loglinear model analysis. And the input can be quite rich if you choose to create your own response functions through the specification of the appropriate matrix operations or create your own parameterization by directly inputting your model matrix.
The analysis for the colds data requires minimal input. You need to specify the input data set, the WEIGHT variable if the data are in count form, the ...
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