Table 3.
Discriminant Function Analysis of Cluster Membership Predicted From Behavioral Measures
| Function 1 | Function 2 | |
|---|---|---|
| % Between-Cluster | 68 | 32 |
| Variance | ||
| Accounted For | ||
| Standardized | ||
| Loadings | ||
| Food intake | .62 | .51 |
| Water intake | .54 | .25 |
| Step-down latency | −.48 | .48 |
| Novel object exploration | .42 | .05 |
| Speed | −.06 | .48 |
| Sucrose intake | −.09 | −.28 |
| Floating time | −.11 | −.16 |
| Function at Cluster | ||
| Centroids | ||
| “Mild” (Cluster 2) | 1.53 | −.85 |
| “Moderate” (Cluster 1) | −.18 | 1.35 |
| “Severe” (Cluster 3) | −3.08 | −1.13 |
| Jack-Knifed | 92.4% | |
| Classification | ||
| Accuracy | ||