Performing a 2-way or higher factorial analysis of variance (ANOVA)
Test if there is a difference between population means when a response variable is classified by two or more categorical variables (factors).
- Select a cell in the dataset.
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On the Analyse-it ribbon tab, in the
Statistical Analyses group, click Fit Model, and then click ANOVA.
The analysis task pane opens.
- In the Y drop-down list, select the response variable.
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In the Available variables list, select the factor
variables:
- To select a single variable, click the variable.
- To select multiple variables, click the first variable then hold down the CTRL key and click each additional variable.
- To select a range of variables, click the first variable then hold down the SHIFT key and click the last variable in the range.
- Click Factorial, and then click Full for a full factorial model, or click the highest order of interaction terms to include in the model.
- Optional: To sort the terms by order (that is, all simple terms, all two-way interactions, then all three-way interactions...) rather than in the order the variables were added, click Sort.
- Click Calculate.
Related reference
Available in Analyse-it Editions
Standard edition
Method Validation edition
Quality Control & Improvement edition
Ultimate edition
Standard edition
Method Validation edition
Quality Control & Improvement edition
Ultimate edition