পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| স্থানিক মিথস্ক্রিয়া (মহাকর্ষ) মডেল× | অবস্থান-বরাদ্দ মডেল× | মাল্টিনোমিয়াল লজিস্টিক রিগ্রেশন× | |
|---|---|---|---|
| ক্ষেত্র≠ | স্থানিক বিশ্লেষণ | স্থানিক বিশ্লেষণ | অর্থমিতি |
| পরিবার≠ | Regression model | Process / pipeline | Regression model |
| উদ্ভবের বছর≠ | 1971 | 1963 | 1974 |
| প্রবর্তক≠ | Alan Wilson (entropy-maximizing family) | Leon Cooper; S. L. Hakimi | McFadden |
| ধরন≠ | Model of flows between spatial origins and destinations | Spatial facility-location optimization | Multinomial logistic regression |
| মৌলিক উৎস≠ | Wilson, A. G. (1971). A family of spatial interaction models, and associated developments. Environment and Planning A, 3(1), 1–32. DOI ↗ | Cooper, L. (1963). Location-allocation problems. Operations Research, 11(3), 331–343. DOI ↗ | McFadden, D. (1974). Conditional Logit Analysis of Qualitative Choice Behavior. In P. Zarembka (Ed.), Frontiers in Econometrics (pp. 105-142). Academic Press. ISBN: 978-0127761503 |
| অপর নাম | gravity model, spatial interaction model, competing destinations model, mekânsal etkileşim modeli | facility location, p-median problem, maximal covering location problem, yer-tahsis modelleri | multinomial logistic regression, polytomous logistic regression, softmax regression, Çok Kategorili Lojistik Regresyon |
| সম্পর্কিত≠ | 4 | 4 | 5 |
| সারসংক্ষেপ≠ | Spatial interaction models predict the volume of flows — migrants, commuters, shoppers, trade, trips — between origins and destinations as a function of the size of each place and the distance or cost separating them. By analogy to Newton's gravity, interaction rises with the 'mass' of origin and destination and falls with separation, and Wilson's 1971 entropy-maximizing family put these models on a rigorous footing for transport, migration, and retail analysis. | Location-allocation models decide where to place a set of facilities and simultaneously assign demand points to them so as to optimize an objective such as total travel cost, worst-case distance, or population covered. Rooted in the operations-research work of Cooper (1963) and Hakimi (1964) and central to network GIS, they answer questions like where to site warehouses, hospitals, fire stations, or schools to best serve a spatially distributed population. | Multinomial logistic regression is a maximum-likelihood method for a nominal (unordered) dependent variable with more than two categories. Building on McFadden's 1974 treatment of qualitative choice, it gives each category its own set of coefficients relative to a reference category. |
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