| Abbreviation | Definition |
|---|---|
| NMUF | Neumann-Morgenstern Utility Function |
| NN | Nearest Neighbors |
| NN | Nonlinear And Narrow |
| NNF | Negation Normal Form |
| NNF | Non-Normal Form |
| NNH | Nonstationary Nonlinear Heteroskedasticity |
| NNI | Non Negative Integer |
| NO | Non Oscillatory |
| NO | Numero |
| NO | The Number Of .... |
| NOLH | Nearly Orthogonal Latin Hypercube |
| NOMZ | Nominalization |
| NOR | logical NOT OR |
| NOS | Newcastle-Ottawa Scale |
| NPC | Non-Positive Curvature |
| NPC | Non-Positively Curved |
| NPDF | N-dimensional Probability Density Function |
| NPID | Nonlinear Proportional Integral Differential |
| NPN | Negation, Permutation, Negation |
| NPP | Normal Probability Plot |