PDF(440 KB)
Incomplete Randomization Method for Non-Random Samples Based on Propensity Matching
NIU Chengying,SUN Qiubi
Journal of Systems Science and Mathematical Sciences ›› 2018, Vol. 38 ›› Issue (5) : 638-650.
PDF(440 KB)
PDF(440 KB)
Incomplete Randomization Method for Non-Random Samples Based on Propensity Matching
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