Modeling and Multivariate Methods - SAS

Chapter 2 Introduction to the Fit Model Platform 39
Construct Model Effects
Table 2.2 Types of Models (Continued)
Model Type Launch Window Actions Model Effects
Simple split-plot or repeated
measure
Response surface (x) model
Response surface (x, z) model
1. Follow the instructions for a simple
nested model.
2. In the Construct Model Effects list, click
on the nested effect.
3. Select Attributes > Random Effect.
4. Add a third nominal or ordinal effect.
5. In the Construct Model Effects list, click
on the third effect. In the Select
Columns list, click on the first effect.
Both effects should be highlighted.
6. Click Cross.
1. In the Select Columns list, click on a
continuous effect.
2. Select Macros > Response Surface.
1. In the Select Columns list, click on two
continuous effects.
2. Select Macros > Response Surface.
A
B[A]&Random
C
C*A
X&RS
X*X
X&RS
Z&RS
X*X
Z*Z
X*Z
Construct Model Effects
The following sections describe in detail the options that you use to enter effects into your model.
Add
The Add button adds effects to the model. The modeling type of the variable determines how the variable is
treated in the model:
• Variables with continuous modeling type are treated as regressors.
• Variables with nominal or ordinal modeling types are treated as main effects.
Note: To remove an effect from the Construct Model Effects list, double-click the effect, or select it and
click Remove.