Table 1.
Model comparisons
| Base Model | Spatial Distribution Function of Alternative Model | Base Model Observed Dataset | More Explicit Model Observed Dataset |
| Null | Distance Decline | Relative Risk = 1 | Distance Decline Relative Risk |
| Null | Direction | Relative Risk = 1 | Directional Relative Risk |
| Null | Peaked Distance Decline | Relative Risk = 1 | Peaked Distance Decline Relative Risk |
| Null | Distance Decline and Direction | Relative Risk = 1 | Distance Decline and Direction Relative Risk |
| Null | Peaked Distance Decline and Direction | Relative Risk = 1 | Peaked Distance Decline and Direction Relative Risk |
| Distance Decline | Distance Decline and Direction | Distance Decline Relative Risk | Distance Decline and Direction Relative Risk |
| Distance Decline | Peaked Distance Decline | Distance Decline Relative Risk | Distance Decline and Direction Relative Risk |
| Distance Decline | Peaked Distance Decline and Direction | Distance Decline Relative Risk | Peaked Distance Decline and Direction Relative Risk |
| Direction | Distance Decline and Direction | Directional Relative Risk | Distance Decline and Direction Relative Risk |
| Direction | Peaked Distance Decline and Direction | Directional Relative Risk | Peaked Distance Decline and Direction Relative Risk |
| Peaked Distance Decline | Peaked Distance Decline and Direction | Peaked Distance Decline Relative Risk | Peaked Distance Decline and Direction Relative Risk |
| Distance Decline and Direction | Peaked Distance Decline and Direction | Distance Decline and Direction Relative Risk | Peaked Distance Decline and Direction Relative Risk |