R code for simulating sampling strategies. Description: R code that creates an exemplary data set and simulates the sampling strategies. (R 26Â kb

Hendrik Koffijberg (388563)

Kit Roes (3426461)

Loan van Hoeven (3509900)

Mart Janssen (3463421)

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Additional file 3: of Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection

Comparison of prediction errors for the five sampling strategies, for n = 6 (n = 2 per hospital type). File legend: LARG = largest hospitals, MAXVAR = maximum variation in number of RBCs, RAND = random, REGVAR = regional variation, 2REG = two regions, RBC = red blood cell products, FFP = fresh frozen plasma products, PLT = platelet products. Output for RAND, REGVAR and 2REG is accompanied by 95 % centiles. Description: These show the prediction errors for n = 6 in a similar table as for n = 12. (XLSX 9 kb

Additional file 2; of Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection

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Additional file 3: of Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection

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