Analysis of variances

Analysis of variance (ANOVA) determines whether the examined factor has a significant impact on the studied feature.

1. Open a table
2. Run Top Menu > ML > Analyze > ANOVA.... A dialog opens.
3. In the dialog, specify
   • the column with factor values (in the Category field)
   • the column with features values (in the Feature field)
   • the significance level (in the Alpha field)
4. Click Run to execute. The following analysis appears:

The box plot shows the distribution of values by categories:

The Analysis tab presents a table with ANOVA computations:

Click the F-test tab and explore the null hypothesis testing:

See also:

• Statistical hypothesis testing
• One-way ANOVA
• Box plot