Regression Patterns | Sign of | Sign of | Predicted Signals | |
---|---|---|---|---|
Linear | up (LU) | + | N/A | N/A |
 | down (LD) | - | N/A | N/A |
Quadratic | concave (QC) | N/A | - | N/A |
 | convex (QV) | N/A | + | N/A |
Quadratic-Linear | concave up (QLCU) | N/A | - |
|
 | concave down (QLCD) | N/A | - |
|
 | convex up (QLVU) | N/A | + |
|
 | convex down (QLVD) | N/A | + |
|