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隨機(jī)分組有用的程序 已有1人參與
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選擇了120 名患者,采用完全隨機(jī)設(shè)計(jì)方法將患者等分為4 組進(jìn)行隨機(jī)臨床對照 SET SEED = 12345. INPUT PROGRAM. LOOP NUMBER = 1 TO 120. COMPUTE RANDOM = UNIFORM(120) . END CASE. END LOOP. END FILE. END INPUT PROGRAM. AUTORECODE VARIABLES = RANDOM SORT CASES BY RANK(A) . RECODE RANK(1 THRU 30 = 1) (31 THRU 60= 2) (61 THRU 90 = 3) (91 THRU 120 = 4) INTO GROUP. EXECUTE. 運(yùn)行所有 |
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