পদ্ধতির তুলনা করুন

	Spatial Coarsened Exact Matching (Spatial CEM)	প্রোপেনসিটি স্কোর ম্যাচিং (Propensity Score Matching)
ক্ষেত্র	কার্যকারণ অনুমান	গবেষণা পরিসংখ্যান
পরিবার	Regression model	Process / pipeline
উদ্ভবের বছর	2012 (CEM foundation); spatial extension in applied literature 2015-present	1983
প্রবর্তক	Iacus, King & Porro (CEM foundation, 2012); extended to spatial contexts by applied spatial econometricians	Paul Rosenbaum and Donald Rubin
ধরন	Quasi-experimental matching estimator with spatial covariates	Method
মৌলিক উৎস	Iacus, S. M., King, G., & Porro, G. (2012). Causal Inference without Balance Checking: Coarsened Exact Matching. Political Analysis, 20(1), 1-24.	Rosenbaum, P. R., & Rubin, D. B. (1983). The central role of the propensity score in observational studies for causal effects. Biometrika, 70(1), 41–55.
অপর নাম	Spatial CEM, Geographic CEM, Spatial exact matching, CEM with spatial covariates	PSM, propensity score weighting, covariate balance
সম্পর্কিত	6	3
সারসংক্ষেপ	Spatial Coarsened Exact Matching applies the Coarsened Exact Matching framework to study designs involving geographic units — neighbourhoods, census tracts, municipalities, or grid cells. Covariates are coarsened into discrete bins and units are matched exactly on those bins, with spatial attributes (location, adjacency, geographic characteristics) incorporated as matching dimensions to control for spatial confounding.	Propensity score matching (PSM) is a method for reducing confounding bias in observational studies by balancing baseline characteristics between treatment groups, simulating randomization. Developed by Rosenbaum and Rubin (1983), it estimates the probability of receiving treatment given observed covariates, then matches or weights treated and control individuals with similar treatment probabilities. Widely used in medicine, epidemiology, and policy evaluation when randomized trials are infeasible or unethical, enabling estimation of treatment effects while controlling for selection bias.