手法を比較
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| 決定木× | ファジィ認知マップ (Fuzzy Cognitive Maps, FCM)× | |
|---|---|---|
| 分野≠ | 機械学習 | ソフトコンピューティング |
| 系統≠ | Machine learning | Process / pipeline |
| 提唱年≠ | 1984 | 1986 |
| 提唱者≠ | Breiman, Friedman, Olshen & Stone | Bart Kosko |
| 種類≠ | Recursive partitioning (if-then rules) | Fuzzy causal/feedback network for scenario analysis |
| 原典≠ | Breiman, L., Friedman, J.H., Olshen, R.A. & Stone, C.J. (1984). Classification and Regression Trees. Wadsworth. DOI ↗ | Kosko, B. (1986). Fuzzy cognitive maps. International Journal of Man-Machine Studies, 24(1), 65–75. DOI ↗ |
| 別名≠ | Karar Ağacı (Decision Tree), karar ağacı, classification tree, regression tree | FCM, Kosko cognitive map, causal cognitive map, bulanık bilişsel haritalar |
| 関連≠ | 5 | 4 |
| 概要≠ | A Decision Tree is an interpretable classification and regression method, formalised by Breiman, Friedman, Olshen and Stone in their 1984 CART framework, that partitions the data with hierarchical if-then rules. Each split sends observations down one branch or another until a prediction is read off the leaf. | A fuzzy cognitive map, introduced by Bart Kosko in 1986, represents a system as a network of concepts connected by signed, weighted causal links, and simulates how the concepts influence one another over time. By combining the intuitive structure of a cognitive map with fuzzy weights and iterative activation, FCMs let experts encode causal knowledge and then run what-if scenarios — making them popular for policy analysis, strategic decision-making, and modelling complex socio-technical systems. |
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