我也正在找 在网路上看到如下 Type I SS and Type II SS measure the contribution of a variable to the reduction in SSE. Type I SS measure the reduction in SSE as that variable is entered into the model in sequence. Type II SS are the increment in SSE that results from removing the variable from the full model. Type II SS are equivalent to the Type III and Type IV SS reported in the GLM procedure. If Type II SS are used in the numerator of an F test, the test is equivalent to the t test for the hypothesis that the parameter is zero. In polynomial models, Type I SS measure the contribution of each polynomial term after it is orthogonalized to the previous terms in the model. The four types of SS are described in Chapter 11, "The Four Types of Estimable Functions." ※ 引述《airflyer (airflyer)》之铭言： : 请问 : 何谓Type II SS : 何谓Type II SS : 能否举例说明? 感谢高手. --

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