Discriminant Analysis Score Calculator
Introduction & Importance
Discriminant analysis is a statistical method used to find the combination of variables that best differentiates between two or more groups…
How to Use This Calculator
- Enter the mean and variance for each group.
- Enter the prior probabilities for each group.
- Click ‘Calculate’.
Formula & Methodology
The discriminant function is calculated as…
Real-World Examples
Let’s consider three examples…
Data & Statistics
| Group | Mean |
|---|---|
| 1 | 5.2 |
| 2 | 6.8 |
| Group | Variance |
|---|---|
| 1 | 2.5 |
| 2 | 3.2 |
Expert Tips
- Always ensure your data is normally distributed.
- Be cautious when interpreting results with small sample sizes.
Interactive FAQ
What is the difference between linear and quadratic discriminant analysis?
Linear discriminant analysis assumes that the groups share the same covariance matrix, while quadratic discriminant analysis does not.
How do I interpret the discriminant score?
The discriminant score indicates the likelihood of an observation belonging to a particular group.